Team members are contacts added by the owner of the account or other members. These contacts have unrestricted access to your account.
To create a team member, log in to Control and go to Account > Team. Under Team members, click on Add a contact.
If you wish to edit, deactivate or reactivate a team member, you can do so on the same page by clicking on the contact you wish to edit.
The account owner is the only protected user on the account can only be edited by himself.