We are bound to get an answer now that he is out of the HT but it depends on how it's done. Rankers can't attack Regulars without some kind of special privileges and they could send non Ranker Princesses against them.So we will finally have an answer to baam ranker or not debate
I have been curious about the Research Association and I think Gustang expected this so he must have made some preparations, it's likely that he is allied to FUG too. Maybe Gustang will lead Baam to the Research Association and he'll get stronger there.