You need SuperAdmins rights to change admin rights for User and Admins
A user needs to be registered in Templafy before their role can be changed.
Recommendation: Only assign Admin and SuperAdmin rights to those who need and make sure access comes with needed admin training and understanding of what actions the admins are expected to perform,
How to assign admin rights
1. Navigate to the Users section of the WebApp, under the Administration heading.
2. Search for, or select, the user you wish to make an admin.