diff --git a/lib/selectors/nav-selectors.js b/lib/selectors/nav-selectors.js
--- a/lib/selectors/nav-selectors.js
+++ b/lib/selectors/nav-selectors.js
@@ -1,11 +1,13 @@
 // @flow
 
+import _keyBy from 'lodash/fp/keyBy.js';
+import _mapValues from 'lodash/fp/mapValues.js';
 import * as React from 'react';
 import { createSelector } from 'reselect';
 
 import { useENSNames } from '../hooks/ens-cache.js';
 import SearchIndex from '../shared/search-index.js';
-import { memberHasAdminPowers } from '../shared/thread-utils.js';
+import { roleIsAdminRole } from '../shared/thread-utils.js';
 import type { Platform } from '../types/device-types.js';
 import {
   type CalendarQuery,
@@ -16,9 +18,11 @@
   ThreadInfo,
   RelativeMemberInfo,
   RawThreadInfo,
+  MemberInfo,
 } from '../types/minimally-encoded-thread-permissions-types.js';
 import type { BaseNavInfo } from '../types/nav-types.js';
 import type { BaseAppState } from '../types/redux-types.js';
+import { threadTypeIsCommunityRoot } from '../types/thread-types-enum.js';
 import type { UserInfo } from '../types/user-types.js';
 import { getConfig } from '../utils/config.js';
 import { values } from '../utils/objects.js';
@@ -126,11 +130,32 @@
   const viewerID = useSelector(
     state => state.currentUserInfo && state.currentUserInfo.id,
   );
+
+  const communityRootMembersToRole = React.useMemo(() => {
+    const communityThreadInfos = threadInfos.filter(threadInfo =>
+      threadTypeIsCommunityRoot(threadInfo.type),
+    );
+    const communityRoots = _keyBy('id')(communityThreadInfos);
+
+    return _mapValues((threadInfo: ThreadInfo | RawThreadInfo) => {
+      const keyedMembers = _keyBy('id')(threadInfo.members);
+      const keyedMembersToRole = _mapValues(
+        (member: MemberInfo | RelativeMemberInfo) => {
+          return member.role ? threadInfo.roles[member.role] : null;
+        },
+      )(keyedMembers);
+      return keyedMembersToRole;
+    })(communityRoots);
+  }, [threadInfos]);
+
   const nonViewerMembers = React.useMemo(() => {
     const allMembersOfAllThreads = new Map<string, UserInfo>();
     for (const threadInfo of threadInfos) {
       for (const member of threadInfo.members) {
-        const isParentAdmin = memberHasAdminPowers(member);
+        const communityRole =
+          communityRootMembersToRole[threadInfo.community]?.[member.id];
+        const isParentAdmin = roleIsAdminRole(communityRole);
+
         if (!member.role && !isParentAdmin) {
           continue;
         }
@@ -146,7 +171,7 @@
       }
     }
     return [...allMembersOfAllThreads.values()];
-  }, [threadInfos, userInfos, viewerID]);
+  }, [communityRootMembersToRole, threadInfos, userInfos, viewerID]);
 
   const nonViewerMembersWithENSNames = useENSNames(
     nonViewerMembers,
@@ -172,7 +197,9 @@
         searchTextArray.push(threadInfo.description);
       }
       for (const member of threadInfo.members) {
-        const isParentAdmin = memberHasAdminPowers(member);
+        const communityRole =
+          communityRootMembersToRole[threadInfo.community]?.[member.id];
+        const isParentAdmin = roleIsAdminRole(communityRole);
         if (!member.role && !isParentAdmin) {
           continue;
         }
@@ -193,7 +220,7 @@
       searchIndex.addEntry(threadInfo.id, searchTextArray.join(' '));
     }
     return searchIndex;
-  }, [threadInfos, viewerID, userInfos, memberMap]);
+  }, [threadInfos, communityRootMembersToRole, viewerID, userInfos, memberMap]);
 }
 
 function useGlobalThreadSearchIndex(): SearchIndex {