tell them to stop. if that doesnt work tell someone you trust, most likely a parent
The child can not stop the child support because the support goes to his parent. The parent paying can get the agreement changed at the courts.
Absolutely.
When the child is 18.
If the child is a minor (under 18yrs.), yes, the marriage can be stopped by a parent. The child can not marry without the consent of a parent/legal guardian or custodial parent.
Make your argument to the court.
Change visitation
well for me it is 18
You cannot stop the repo company from harassing you unless you pay your bill. The only thing you can do is try to ignore them.
Blackmail is a criminal matter, and I doubt that this rises to that level.
Generally, not until the child is 18.
13