For the most part, I'll be the one deciding that. Generally speaking though the lower level ones (Acolytes and Cultists) are not firmly rooted into their faiths, merely trained via various temples or cults, so while they may have some traditions or ideals they'd stick to they usually aren't too hardcore about it. Priests and Fanatics however are much more dedicated to their respective gods, which naturally would mean they might not play well with you. Conversely, if you go out of your way to specifically search for priests or fanatics who worship your deities or otherwise would ally with your god, you may find them easier to obtain than if you simply recruit whoever is offering their services. 

In short, anyone you don't actively need to recruit for are generally low level but also low faith, so don't worry too much about religious clashes. But if you actively want one who would fit Talogan beliefs, you'll have to IC look for them or just take your chances with whoever I randomly create.