Summoner is going to be in ffxiv. Gonna be able to summon lesser avatars, not the primals. There have already been discussion threads on what lessers we want brought into the game.

http://forum.square-enix.com/ffxiv/t...-in-the-future

I don't remeber if it was in the plans for 2.0 outline or one of yoshi's letters but it is also mentioned about having a class that can charm mobs.