No, that’s not how Roles work.
Roles are probably a good option for your use case if you will have multiple admins.
What you would do is assign yourself the admin role (the name of the role doesn’t matter), along with any other user that needs that role. Then instead of having a separate row owner column for every admin, you just have a single one that contains the word “admin” (or whatever name you’ve used). Then every user that has been assigned that role will have access.