Deprecated him? You cannot advocate on his behalf. He needs to speak to an attorney in private.

It is up to your command whether to discharge you.

Yes. You are still in the military so they can pull you back.

Yes you can, but be careful what you wish for as you will now be completely responsible for your own financial support.

Absent suffering an injury I don't see any grounds for a lawsuit.

I cannot imagine this being worth the cost of litigation.

This is a general Q&A Site. You have not asked a question, and your legal premise is so wrong it is hard to even contemplate.

I see no grounds for a viable lawsuit here.

No you cannot. Good on your parents for following up on this dangerous pedophile.

IMO this is not a HIPAA violation......