>>5 >>7
A job won't guarantee happiness nor any kind of progress, though there is no harm in trying. Don't suggest it like it's some sort of panacea.

>>6
If he doesn't want an arranged marriage, then he needs to stand up for himself and put his foot down about it. His parents may try justify it though because of his social ineptitude. I still recommend therapy, not sure how that would work in India though. At the least, he should talk to someone he trusts and keep his mind busy by going out and stuff.