I removed the image as one could still see PII from the pixelated section.
There is a site setting for that, see default trust level site setting. I/We strongly suggest leaving this at TL0 though.
You can be either of the 2 or both, there really isn’t subsets here. Even though there were, admins cannot be a subset of moderators as they have more abilities than moderators. See Understanding user statuses, roles, and permissions for an explanation of each one.