Buddypress Remove admin from members list and all the activity

functions.php

//add this to child-theme functions.php

//deny access to admins profile. User is redirected to the homepage
function bpfr_hide_admins_profile() {
	global $bp; 
	if(bp_is_profile && $bp->displayed_user->id == 1 && $bp->loggedin_user->id != 1) :
		wp_redirect( home_url() );
	exit;
	endif;
}
add_action( 'wp', 'bpfr_hide_admins_profile', 1 );

// Remove admin from the member directory
function bpdev_exclude_users($qs=false,$object=false){
    
    $excluded_user='1'; // Id's to remove, separated by comma
	
    if($object != 'members' && $object != 'friends')// hide admin to members & friends 
    return $qs;
	
    $args=wp_parse_args($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;
	
}
add_action('bp_ajax_querystring','bpdev_exclude_users',20,2);

// once admin is removed, we must recount the members !
function bpfr_hide_get_total_filter($count){
    return $count-1;
}
add_filter('bp_get_total_member_count','bpfr_hide_get_total_filter');

// hide admin's activities from all activity feeds
function bpfr_hide_admin_activity( $a, $activities ) {	
	
	// ... but allow admin to see his activities!
	if ( is_site_admin() )	
		return $activities;	
	
	foreach ( $activities->activities as $key => $activity ) {	
		// ID's to exclude, separated by commas. ID 1 is always the superadmin
		if ( $activity->user_id == 1  ) {			
			
			unset( $activities->activities[$key] );			
			
			$activities->activity_count = $activities->activity_count-1;			
			$activities->total_activity_count = $activities->total_activity_count-1;			
					$activities->pag_num = $activities->pag_num -1;				
		}		
	}		
	// Renumber the array keys to account for missing items 	
	$activities_new = array_values( $activities->activities );		
	$activities->activities = $activities_new;	
	
	return $activities;
	
}
add_action( 'bp_has_activities', 'bpfr_hide_admin_activity', 10, 2 );