In Metatask every user has one of the two roles - User or Administrator.
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Administrator role provides much more rights than User role. Any number of users may be given "Administrator" role.
At least one Administrator should always be present in a team. User who created the team has "Administrator" role by default.

Administrator has exclusive access to Account settings:

If you are Administrator you can access Account settings. Open Account menu in the top-right corner:

Administrator has privileged access to templates and processes.
You can learn more about Administrator role permissions in article User and Administrator roles