Yes, we can give admin access in another user. please see the below
Administrators can add or delete projects, manage users and configure the application.
When you create a user as an Administrator, all the projects will be assigned automatically to the user. When you create a user as a tester/developer in the system, you have to assign them to the project to give access.
Tester accounts will be assigned administrative access permissions.
Account will change as "Admin".
Grant admin-level permissions to all tester account types.