diff --git a/src/actions/admin.ts b/src/actions/admin.ts
index 45b5076fb..0bfe1ed3f 100644
--- a/src/actions/admin.ts
+++ b/src/actions/admin.ts
@@ -39,6 +39,10 @@ const ADMIN_USERS_APPROVE_REQUEST = 'ADMIN_USERS_APPROVE_REQUEST';
 const ADMIN_USERS_APPROVE_SUCCESS = 'ADMIN_USERS_APPROVE_SUCCESS';
 const ADMIN_USERS_APPROVE_FAIL    = 'ADMIN_USERS_APPROVE_FAIL';
 
+const ADMIN_USERS_REJECT_REQUEST = 'ADMIN_USERS_REJECT_REQUEST';
+const ADMIN_USERS_REJECT_SUCCESS = 'ADMIN_USERS_REJECT_SUCCESS';
+const ADMIN_USERS_REJECT_FAIL    = 'ADMIN_USERS_REJECT_FAIL';
+
 const ADMIN_USERS_DEACTIVATE_REQUEST = 'ADMIN_USERS_DEACTIVATE_REQUEST';
 const ADMIN_USERS_DEACTIVATE_SUCCESS = 'ADMIN_USERS_DEACTIVATE_SUCCESS';
 const ADMIN_USERS_DEACTIVATE_FAIL    = 'ADMIN_USERS_DEACTIVATE_FAIL';
@@ -309,56 +313,80 @@ const deactivateUsers = (accountIds: string[], reportId?: string) =>
     }
   };
 
-const deleteUsers = (accountIds: string[]) =>
+const deleteUser = (accountId: string) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
-    const nicknames = accountIdsToAccts(getState(), accountIds);
-    dispatch({ type: ADMIN_USERS_DELETE_REQUEST, accountIds });
+    const nicknames = accountIdsToAccts(getState(), [accountId]);
+    dispatch({ type: ADMIN_USERS_DELETE_REQUEST, accountId });
     return api(getState)
       .delete('/api/v1/pleroma/admin/users', { data: { nicknames } })
       .then(({ data: nicknames }) => {
-        dispatch({ type: ADMIN_USERS_DELETE_SUCCESS, nicknames, accountIds });
+        dispatch({ type: ADMIN_USERS_DELETE_SUCCESS, nicknames, accountId });
       }).catch(error => {
-        dispatch({ type: ADMIN_USERS_DELETE_FAIL, error, accountIds });
+        dispatch({ type: ADMIN_USERS_DELETE_FAIL, error, accountId });
       });
   };
 
-const approveMastodonUsers = (accountIds: string[]) =>
+const approveMastodonUser = (accountId: string) =>
   (dispatch: AppDispatch, getState: () => RootState) =>
-    Promise.all(accountIds.map(accountId => {
-      api(getState)
-        .post(`/api/v1/admin/accounts/${accountId}/approve`)
-        .then(({ data: user }) => {
-          dispatch({ type: ADMIN_USERS_APPROVE_SUCCESS, users: [user], accountIds: [accountId] });
-        }).catch(error => {
-          dispatch({ type: ADMIN_USERS_APPROVE_FAIL, error, accountIds: [accountId] });
-        });
-    }));
+    api(getState)
+      .post(`/api/v1/admin/accounts/${accountId}/approve`)
+      .then(({ data: user }) => {
+        dispatch({ type: ADMIN_USERS_APPROVE_SUCCESS, user, accountId });
+      }).catch(error => {
+        dispatch({ type: ADMIN_USERS_APPROVE_FAIL, error, accountId });
+      });
 
-const approvePleromaUsers = (accountIds: string[]) =>
+const approvePleromaUser = (accountId: string) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
-    const nicknames = accountIdsToAccts(getState(), accountIds);
+    const nicknames = accountIdsToAccts(getState(), [accountId]);
     return api(getState)
       .patch('/api/v1/pleroma/admin/users/approve', { nicknames })
       .then(({ data: { users } }) => {
-        dispatch({ type: ADMIN_USERS_APPROVE_SUCCESS, users, accountIds });
+        dispatch({ type: ADMIN_USERS_APPROVE_SUCCESS, user: users[0], accountId });
       }).catch(error => {
-        dispatch({ type: ADMIN_USERS_APPROVE_FAIL, error, accountIds });
+        dispatch({ type: ADMIN_USERS_APPROVE_FAIL, error, accountId });
       });
   };
 
-const approveUsers = (accountIds: string[]) =>
+const rejectMastodonUser = (accountId: string) =>
+  (dispatch: AppDispatch, getState: () => RootState) =>
+    api(getState)
+      .post(`/api/v1/admin/accounts/${accountId}/reject`)
+      .then(({ data: user }) => {
+        dispatch({ type: ADMIN_USERS_REJECT_SUCCESS, user, accountId });
+      }).catch(error => {
+        dispatch({ type: ADMIN_USERS_REJECT_FAIL, error, accountId });
+      });
+
+const approveUser = (accountId: string) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
     const state = getState();
 
     const instance = state.instance;
     const features = getFeatures(instance);
 
-    dispatch({ type: ADMIN_USERS_APPROVE_REQUEST, accountIds });
+    dispatch({ type: ADMIN_USERS_APPROVE_REQUEST, accountId });
 
     if (features.mastodonAdmin) {
-      return dispatch(approveMastodonUsers(accountIds));
+      return dispatch(approveMastodonUser(accountId));
     } else {
-      return dispatch(approvePleromaUsers(accountIds));
+      return dispatch(approvePleromaUser(accountId));
+    }
+  };
+
+const rejectUser = (accountId: string) =>
+  (dispatch: AppDispatch, getState: () => RootState) => {
+    const state = getState();
+
+    const instance = state.instance;
+    const features = getFeatures(instance);
+
+    dispatch({ type: ADMIN_USERS_REJECT_REQUEST, accountId });
+
+    if (features.mastodonAdmin) {
+      return dispatch(rejectMastodonUser(accountId));
+    } else {
+      return dispatch(deleteUser(accountId));
     }
   };
 
@@ -562,6 +590,9 @@ export {
   ADMIN_USERS_APPROVE_REQUEST,
   ADMIN_USERS_APPROVE_SUCCESS,
   ADMIN_USERS_APPROVE_FAIL,
+  ADMIN_USERS_REJECT_REQUEST,
+  ADMIN_USERS_REJECT_SUCCESS,
+  ADMIN_USERS_REJECT_FAIL,
   ADMIN_USERS_DEACTIVATE_REQUEST,
   ADMIN_USERS_DEACTIVATE_SUCCESS,
   ADMIN_USERS_DEACTIVATE_FAIL,
@@ -597,8 +628,9 @@ export {
   closeReports,
   fetchUsers,
   deactivateUsers,
-  deleteUsers,
-  approveUsers,
+  deleteUser,
+  approveUser,
+  rejectUser,
   deleteStatus,
   toggleStatusSensitivity,
   tagUsers,
diff --git a/src/actions/moderation.tsx b/src/actions/moderation.tsx
index 35ad6a4d7..ddee5fe1d 100644
--- a/src/actions/moderation.tsx
+++ b/src/actions/moderation.tsx
@@ -2,7 +2,7 @@ import React from 'react';
 import { defineMessages, IntlShape } from 'react-intl';
 
 import { fetchAccountByUsername } from 'soapbox/actions/accounts';
-import { deactivateUsers, deleteUsers, deleteStatus, toggleStatusSensitivity } from 'soapbox/actions/admin';
+import { deactivateUsers, deleteUser, deleteStatus, toggleStatusSensitivity } from 'soapbox/actions/admin';
 import { openModal } from 'soapbox/actions/modals';
 import OutlineBox from 'soapbox/components/outline-box';
 import { Stack, Text } from 'soapbox/components/ui';
@@ -102,7 +102,7 @@ const deleteUserModal = (intl: IntlShape, accountId: string, afterConfirm = () =
       confirm,
       checkbox,
       onConfirm: () => {
-        dispatch(deleteUsers([accountId])).then(() => {
+        dispatch(deleteUser(accountId)).then(() => {
           const message = intl.formatMessage(messages.userDeleted, { acct });
           dispatch(fetchAccountByUsername(acct));
           toast.success(message);
diff --git a/src/components/account.tsx b/src/components/account.tsx
index 5751b2c3a..4871079a7 100644
--- a/src/components/account.tsx
+++ b/src/components/account.tsx
@@ -71,6 +71,7 @@ const ProfilePopper: React.FC<IProfilePopper> = ({ condition, wrapper, children
 };
 
 export interface IAccount {
+  acct?: string;
   account: AccountSchema;
   action?: React.ReactElement;
   actionAlignment?: 'center' | 'top';
@@ -99,6 +100,7 @@ export interface IAccount {
 }
 
 const Account = ({
+  acct,
   account,
   actionType,
   action,
@@ -228,7 +230,7 @@ const Account = ({
 
             <Stack space={withAccountNote || note ? 1 : 0}>
               <HStack alignItems='center' space={1}>
-                <Text theme='muted' size='sm' direction='ltr' truncate>@{username}</Text>
+                <Text theme='muted' size='sm' direction='ltr' truncate>@{acct ?? username}</Text>
 
                 {account.pleroma?.favicon && (
                   <InstanceFavicon account={account} disabled={!withLinkToProfile} />
diff --git a/src/features/admin/components/unapproved-account.tsx b/src/features/admin/components/unapproved-account.tsx
index 503fb513e..b10d9428c 100644
--- a/src/features/admin/components/unapproved-account.tsx
+++ b/src/features/admin/components/unapproved-account.tsx
@@ -1,6 +1,6 @@
 import React from 'react';
 
-import { approveUsers, deleteUsers } from 'soapbox/actions/admin';
+import { approveUser, rejectUser } from 'soapbox/actions/admin';
 import { useAccount } from 'soapbox/api/hooks';
 import Account from 'soapbox/components/account';
 import { AuthorizeRejectButtons } from 'soapbox/components/authorize-reject-buttons';
@@ -14,18 +14,19 @@ interface IUnapprovedAccount {
 const UnapprovedAccount: React.FC<IUnapprovedAccount> = ({ accountId }) => {
   const dispatch = useAppDispatch();
 
-  const { account } = useAccount(accountId);
   const adminAccount = useAppSelector(state => state.admin.users.get(accountId));
+  const { account } = useAccount(adminAccount?.account || undefined);
 
-  if (!account) return null;
+  if (!adminAccount || !account) return null;
 
-  const handleApprove = () => dispatch(approveUsers([account.id]));
-  const handleReject = () => dispatch(deleteUsers([account.id]));
+  const handleApprove = () => dispatch(approveUser(adminAccount.id));
+  const handleReject = () => dispatch(rejectUser(adminAccount.id));
 
   return (
     <Account
-      key={account.id}
+      key={adminAccount.id}
       account={account}
+      acct={`${adminAccount.username}@${adminAccount.domain}`}
       note={adminAccount?.invite_request || ''}
       action={(
         <AuthorizeRejectButtons
diff --git a/src/reducers/admin.ts b/src/reducers/admin.ts
index 30b33976f..cb138095c 100644
--- a/src/reducers/admin.ts
+++ b/src/reducers/admin.ts
@@ -19,6 +19,8 @@ import {
   ADMIN_USERS_DELETE_SUCCESS,
   ADMIN_USERS_APPROVE_REQUEST,
   ADMIN_USERS_APPROVE_SUCCESS,
+  ADMIN_USERS_REJECT_REQUEST,
+  ADMIN_USERS_REJECT_SUCCESS,
 } from 'soapbox/actions/admin';
 import { normalizeAdminReport, normalizeAdminAccount } from 'soapbox/normalizers';
 import { normalizeId } from 'soapbox/utils/normalizers';
@@ -120,22 +122,18 @@ function importUsers(state: State, users: APIUser[], filters: Filter[], page: nu
   });
 }
 
-function deleteUsers(state: State, accountIds: string[]): State {
+function deleteUser(state: State, accountId: string): State {
   return state.withMutations(state => {
-    accountIds.forEach(id => {
-      state.update('awaitingApproval', orderedSet => orderedSet.delete(id));
-      state.deleteIn(['users', id]);
-    });
+    state.update('awaitingApproval', orderedSet => orderedSet.delete(accountId));
+    state.deleteIn(['users', accountId]);
   });
 }
 
-function approveUsers(state: State, users: APIUser[]): State {
+function approveUser(state: State, user: APIUser): State {
+  const normalizedUser = fixUser(user);
   return state.withMutations(state => {
-    users.forEach(user => {
-      const normalizedUser = fixUser(user);
-      state.update('awaitingApproval', orderedSet => orderedSet.delete(user.id));
-      state.setIn(['users', user.id], normalizedUser);
-    });
+    state.update('awaitingApproval', orderedSet => orderedSet.delete(user.id));
+    state.setIn(['users', user.id], normalizedUser);
   });
 }
 
@@ -207,11 +205,13 @@ export default function admin(state: State = ReducerRecord(), action: AnyAction)
       return importUsers(state, action.users, action.filters, action.page);
     case ADMIN_USERS_DELETE_REQUEST:
     case ADMIN_USERS_DELETE_SUCCESS:
-      return deleteUsers(state, action.accountIds);
+    case ADMIN_USERS_REJECT_REQUEST:
+    case ADMIN_USERS_REJECT_SUCCESS:
+      return deleteUser(state, action.accountId);
     case ADMIN_USERS_APPROVE_REQUEST:
-      return state.update('awaitingApproval', set => set.subtract(action.accountIds));
+      return state.update('awaitingApproval', set => set.remove(action.accountId));
     case ADMIN_USERS_APPROVE_SUCCESS:
-      return approveUsers(state, action.users);
+      return approveUser(state, action.user);
     default:
       return state;
   }