admin board of buddypress

Hello,
My site is using WPMS + buddypress.
Please show me how to set permission for admin board of buddypress ( or moderator of buddypress) .Any members of the board can aslo:
- delete/ban any other users,
- delete any post, group,forum of any other normal members .
- delele any activity of any other member.
But I don't want upgrade them to super admin of site network level ( I don't want them access, change settings, plugins, themes of my site.
Thank you