Originally Posted by
Zeref
This is just my conjecture but I think switching to Jobs will be like advanced classes in other MMOs, or (lol) evolution in Pokemon, basically you advance your current class into a job, like Lancer > Dragoon, and that's it, your Lancer is permanently a dragoon without a way of switching it back to Lancer. on the other hand it might be possible that each job will have its own unique weapon so that each job will essentially be a new class, though it might make an already cluttered system even more convoluted.