If he gets reinstated you may well end up playing second fiddle to a f##ed up religion and by the sound of it his mother.
Best you sit him down and have a long talk with him about were your relationship will go if he goes back to the J.W's,Remember the religion will always come 1st you a poor 2nd.
It's difficult for an outsider to understand but thats the way it is.
Good luck what ever way you go.
Karter,