bp-custom.php

<?php

function kadii_register_member_types_with_directory() {
    bp_register_member_type( 'golfer', array(
        'labels' => array(
            'name'          => 'Golfer',
            'singular_name' => 'Golfer',
        ),
        'has_directory' => 'golfers'
    ) );
    bp_register_member_type( 'golf_professional', array(
        'labels' => array(
            'name'          => 'Golf Professional',
            'singular_name' => 'Golf Professional',
        ),
        'has_directory' => 'golf-professionals'
    ) );
}
add_action( 'bp_register_member_types', 'kadii_register_member_types_with_directory' );