thanks alot guys for replying!

Yeah! i suggested him to see a psychologist / psychiatrist .. He even went there but then left it after 3/4 sessions because he thought that they weren't helping him .. As i said, he is a cynic person, doesn't trust anyone and looks for an immediate solution to his problems .. He was prescribed for medication .. and he is using them !

No! he didn't hurt anyone .. Its just that, his thoughts of self-harming are now projecting towards injuring & hurting others .. they r just thoughts right now ..