user-remove-role

Remove a role from the specified user accounts.

drush user-remove-role

Aliases:

Arguments:

role : The name of the role to remove
users : (optional) A comma delimited list of uids, user names, or email addresses.

Examples:

Remove the "power user" role from the accounts with name, id, or email 5 or user3, uids 2 and 3, names someguy and somegal, and email address of billgates@microsoft.com

drush user-remove-role "power user" 5,user3 --uid=2,3 --name=someguy,somegal --mail=billgates@microsoft.com