diff --git a/includes/core/class-user.php b/includes/core/class-user.php
index dc71a186..b6bbdcbf 100644
--- a/includes/core/class-user.php
+++ b/includes/core/class-user.php
@@ -26,13 +26,15 @@ if ( ! class_exists( 'um\core\User' ) ) {
 			$this->profile = null;
 			$this->cannot_edit = null;
 
+			global $wpdb;
+
 			$this->banned_keys = array(
 				'metabox','postbox','meta-box',
 				'dismissed_wp_pointers', 'session_tokens',
 				'screen_layout', 'wp_user-', 'dismissed',
-				'cap_key', 'wp_capabilities',
-				'managenav', 'nav_menu','user_activation_key',
-				'level_', 'wp_user_level'
+				'cap_key', $wpdb->get_blog_prefix(). 'capabilities',
+				'managenav', 'nav_menu', 'user_activation_key',
+				'level_', $wpdb->get_blog_prefix() . 'user_level'
 			);
 
 			add_action( 'init',  array( &$this, 'set' ), 1 );
@@ -1835,6 +1837,10 @@ if ( ! class_exists( 'um\core\User' ) ) {
 			$changes = apply_filters( 'um_before_update_profile', $changes, $args['ID'] );
 
 			foreach ( $changes as $key => $value ) {
+				if ( in_array( $key, $this->banned_keys ) ) {
+					continue;
+				}
+
 				if ( ! in_array( $key, $this->update_user_keys ) ) {
 					if ( $value === 0 ) {
 						update_user_meta( $this->id, $key, '0' );
diff --git a/includes/core/um-actions-profile.php b/includes/core/um-actions-profile.php
index d41d35c2..aecee7ea 100644
--- a/includes/core/um-actions-profile.php
+++ b/includes/core/um-actions-profile.php
@@ -262,6 +262,11 @@ function um_user_edit_profile( $args ) {
 				continue;
 			}
 
+			// skip saving role here
+			if ( in_array( $key, [ 'role', 'role_select', 'role_radio' ] ) ) {
+				continue;
+			}
+
 			//the same code in class-validation.php validate_fields_values for registration form
 			//rating field validation
 			if ( $array['type'] == 'rating' && isset( $args['submitted'][ $key ] ) ) {
@@ -371,7 +376,7 @@ function um_user_edit_profile( $args ) {
 	// Secure selected role
 	if ( is_admin() ) {
 
-		if ( ! empty( $args['submitted']['role'] ) ) {
+		if ( ! empty( $args['submitted']['role'] ) && current_user_can( 'promote_users' ) ) {
 			global $wp_roles;
 			$role_keys = array_map( function( $item ) {
 				return 'um_' . $item;
@@ -1470,6 +1475,10 @@ function um_submit_form_profile( $args ) {
 	UM()->fields()->set_mode  = 'profile';
 	UM()->fields()->editing = true;
 
+	if ( ! empty( $args['submitted'] ) ) {
+		$args['submitted'] = array_diff_key( $args['submitted'], array_flip( UM()->user()->banned_keys ) );
+	}
+
 	/**
 	 * UM hook
 	 *
diff --git a/includes/core/um-actions-register.php b/includes/core/um-actions-register.php
index 5f9fffab..fb1e9a24 100644
--- a/includes/core/um-actions-register.php
+++ b/includes/core/um-actions-register.php
@@ -381,6 +381,10 @@ function um_submit_form_register( $args ) {
 		'user_email'    => trim( $user_email ),
 	);
 
+	if ( ! empty( $args['submitted'] ) ) {
+		$args['submitted'] = array_diff_key( $args['submitted'], array_flip( UM()->user()->banned_keys ) );
+	}
+
 	$args['submitted'] = array_merge( $args['submitted'], $credentials );
 	$args = array_merge( $args, $credentials );