Team administrators only have access to the team page you assign. They can log in to their team page, and make edits, but they won't be able to modify any other part of your website or team pages.
To add a user please follow these steps:
Click on Elements in Admin Mode
Click on Team Pages
Choose the Season/League of the Team you want to edit
Click on the Team
Click on Contacts
Add a new user. You can either search for them (recommended to ensure you don't create duplicates) or add one from scratch.
Enter their first name, last name, role, and email address.
Once you save them you must check them off as admin access and save your changes so they can log in. The user can request their pin # from the system, so don't worry about assigning a pin # to them.