There are four levels of permission. Higher levels include all the permissions in the lower levels.
The user has no access to the Membership Module. Membership options are not shown. This is the default, most users have no need to see membership details (other than their own).
The user can run the membership reports. These may contain some personal information (including name, age range and gender), but will not include address and contact details.
The user can view the membership data, but is not allowed to make updates.
The user has full admin rights. This includes: