Hi. I don't know what I should do with my GLA lol

He's lv12 but I just recently heard theres a min lv requirement for Paladin when 1.21 drops onto the server.

What should I do? Level up MRD first for faster lvling + skills? Or should I try and get heal as a CNJ?

Also, where are some good places to get leves other than the Adventurers guild? And finally, will someone invite me into their LS?!

Thanks