BuddyPress.org

add_action('bp_ajax_querystring','ps_exclude_admin_members',20,2);
function ps_exclude_admin_members($qs=false,$object=false){
     
    if($object!='members')
        return $qs;
        
    $excluded_user = implode(',',get_users('role=administrator&fields=ID'));
  
    
    $args=wp_parse_args($qs);
    
    if(!empty($args['user_id']))
        return $qs;
    
    if(!empty($args['exclude']))
        $args['exclude']=$args['exclude'].','.$excluded_user;
    else 
        $args['exclude']=$excluded_user;
      
    $qs=build_query($args);
   
   
   return $qs;
    
}

Hi,

Please paste the above code in child theme’s functions.php and test.

Hopefully, it will help you.

Thanks