How to get member list based on role by using buddypress?

To preserve pagination, try:

<?php    
$authors = get_users( array( 'fields' => 'ID', 'role' => 'author' ) );
$authors = implode(',', $authors);
?>

<?php if ( bp_has_members( bp_ajax_querystring( 'members' ). '&per_page=25&include=" . $authors) ) : ?>
//etc

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)