You and Bob are on a desert island. You have a right to health care. How are you going to make Bob give you health care?

You and Bob are on a desert island, and Bob is trying to kill you. You have a right to be free of someone trying to kill you. Bob is trying to kill you. How are you going to make him stop?

You have a right to defend yourself. You do not have a right to take from others. The two are not the same at all.