In my own guess and, or opinion on the matter, trust will be a big issue. One way to go about gaining some of that, would be to help answer posts that you can. Write some tutorials, show an interest in the forum and it's community ideals. Those are rather bland but probably more that enough to get you or anyone else started, if they are serious enough and the need arises for more "staff".
I have also forwarded this post per PM to the admin's so that they can answer at their leisure, if they deem it necessary.