hide-add-friend-button-for-specific-member-type.php

/**
 * Hide add friend button for specific members type.
 */
function wb_hide_add_friend_button_from_members_types( $button ) {

	$displayed_user_id = bp_displayed_user_id();

	$user_id = ( $displayed_user_id ) ? $displayed_user_id : bp_get_member_user_id();

	$member_type = bp_get_member_type( $user_id );
	// please mention here the member type to hide the add friend button.
	$members_types_to_hide_add_friend_button = array( 'demo-member-type', 'member-type-second' );
	if ( ! in_array( $member_type, $members_types_to_hide_add_friend_button, true ) ) {
		return $button;
	}
	return '';
}
add_filter( 'bp_get_add_friend_button', 'wb_hide_add_friend_button_from_members_types' );