Not if you are of legal age but if you are under you will be considered a runaway by the police that can pick you up.
you can file a lawsuit against someone for practically anything.
Yes, the parents of a minor can do what they feel necessary to protect their child.
Yes.
Tell your parents. If anything they do, or anything they did to you was illegal, you can file a report with the police.
against both her parents.
If she has the children. However, it must be against BOTH PARENTS.
Yes, they certainly can. If they have a legitimate debt against the deceased, they file it with the executor. This will get paid before anything is distributed to the beneficiaries.
yes you can
Yes.
Yes.
If you can afford it, you can file a lawsuit against anyone for anything. Whether or not you will be successful is a separate question.
Contact social services. They are often required to pay child support.