Perhaps, depending on the severity of the injury and whether he required medical attention. If so, reach out to a local personal injury lawyer for...

You are the victim of a crime and should report this to the police.

You should reach out to a local probate or family law attorney and discuss having a guardian / conservator appointed.

That depends on who he is. You may wish to repost with some more details and context.

If you are not currently on SSI then they social security administration will not seek to get reimbursed for your previous benefit payments.

You do not have any viable legal claims in my opinion.

I do not see what your damages are that would warrant any legal action.

I'm sorry but I do not see a question here. You may wish to repost.

Technically you are allowed to represent yourself. Should you? Absolutely not. There is a saying that a lawyer who represents themselves has a...

I agree with the prior answers. Just because you are receiving SS benefits does not mean you are not legally obligated to pay your debts.