As per exiting functionally granting Crowd user rights will give your users the power to update their own profiles and passwords and view their authorization details.
Customers are looking for an option in the Crowd which they can configured so users can manage their password only but not their profile details (Name and Email).
There should be an option for admin to disable editing in the user profile section.
Modify user permission locks both account details and password management.
This will restrict the user to change there Name & Email.
(Add a workaround, if available)