[@kosuke70 Participant 13 years ago]

Thank you all for your comments.
I checked up the post @aces and @megainfo suggested, and found this plugin: WordPress Access Control, which seems to be working quite well, to my needs.
Will also check out other solutions.
Thank you again!

[@kosuke70 Participant 13 years ago]

I am using BuddyPress 1.7, by the way.