You shouldn’t have lots of admins or even moderators. My community of 1000 members has 1 admin (me) and 1 highly trusted moderator.
You should be using the Leader and Elder trust levels for everything else. Those people can help with pinning posts, cleaning up the forum, and making sure things are nice and tidy. This comes without any access to private user data which only I have (the same person that could simply query the database).