I've also noticed that there are a lot of people who join the clan but don't appear to actually be gaming with anyone else whenever I see them online. That situation concerns me, because if you join a gaming group, you obviously want to be gaming with people. I try sometimes to invite FNGs that happen to be playing the same thing as me (because you don't know many clan members to start out with), and I know others reach out like that as well, but we can only do so much.
My charge to new FNGs is this: if you joined this clan to play with people, you HAVE to take the initiative. We're all grown adults, and should be capable of doing this. If there is an open party chat with o30c's in it, and they are playing something you're playing (or even something else), go in the party and introduce yourself. Hang around there and listen. Make awkward conversation and feel weird about being the new person. After you do that a couple of times, people will start recognizing you and invite you when you are on. Everything becomes easier after that. But really, YOU have to take that first step. The worst thing that happens is you don't get along with those particular o30c's and you try a different group. The clan is large, and there are many opportunities to find your niche.
I'm not trying to preach here, just trying to make sure everyone gets what they want out of joining this clan. Don't be too shy, we're (almost) all nice people