I think you should consult with the admin , and explain them actually an open discussion with them. It will makes you tension free.
I see everyone here has lead you in the right direction, all you need is some content. I just wanted to add to that you can just simply post an article or even add a video and that would count as sufficient content.
Remove them, mate, as they can ban you, yes! Don't put ads unless they're on highly quality pages with rich content.