BP Multi Network & Members Directory [closed]

You can filter the members loop in BuddyPress by meta values for the members. So you would need to change the loop in the template file members/members-loop.php to be:

<?php
// Getting current blog_id 
global $wpdb, $current_blog;
$id = $current_blog->blog_id;
// Setting variable for current blog_prefix
$blog_prefix = $wpdb->get_blog_prefix( $id );
// Start the BuddyPress Ajax Members Loop
if ( bp_has_members( bp_ajax_querystring( 'members' ).'&meta_key='.$blog_prefix.'capabilities' ) )  : ?>