diff --git a/web/settings/relationship/add-users-list.react.js b/web/settings/relationship/add-users-list.react.js
--- a/web/settings/relationship/add-users-list.react.js
+++ b/web/settings/relationship/add-users-list.react.js
@@ -2,7 +2,10 @@
 
 import * as React from 'react';
 
+import { searchUsers } from 'lib/actions/user-actions.js';
 import { userStoreSearchIndex as userStoreSearchIndexSelector } from 'lib/selectors/user-selectors.js';
+import type { GlobalAccountUserInfo } from 'lib/types/user-types.js';
+import { useServerCall } from 'lib/utils/action-utils.js';
 
 import { useSelector } from '../../redux/redux-utils.js';
 
@@ -24,6 +27,22 @@
     );
   }, [searchText, userStoreSearchIndex]);
 
+  // eslint-disable-next-line no-unused-vars
+  const [serverSearchResults, setServerSearchResults] = React.useState<
+    $ReadOnlyArray<GlobalAccountUserInfo>,
+  >([]);
+  const callSearchUsers = useServerCall(searchUsers);
+  React.useEffect(() => {
+    (async () => {
+      if (searchText.length === 0) {
+        setServerSearchResults([]);
+      } else {
+        const { userInfos } = await callSearchUsers(searchText);
+        setServerSearchResults(userInfos);
+      }
+    })();
+  }, [callSearchUsers, searchText]);
+
   return null;
 }