remove_user_role
Action Hook: Fires immediately after a role as been removed from a user.
Source: wp-includes/class-wp-user.php:560
Action Hook: Fires immediately after a role as been removed from a user.
Source: wp-includes/class-wp-user.php:560
Method: Return only the main user fields
Source: wp-includes/class-wp-user.php:191
Method: Set the role of the user.
Source: wp-includes/class-wp-user.php:574