This guy works a part-time job to support himself as he devotes most of his time to the organization. His handful of non-JW friends apparently do not see a single problem with that.
This comment alone should make you think.
I assume you are young, but I would ask you to imagine playing this game with him (or far worse) for the next 20 years. Maybe having a couple of children. Is this really the life you see for yourself? End it now, it's not your responsibility to "save" him. Only he can do that. You are just prolonging your own pain.