Narcissists are motivated largely by fear. Being willing to expose them, say no, refuse to mirror them, and having the proof and evidence to back you up helps.
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.
tell her
get a restraning order against them
tel him to please stop or tell your parents.
Throw a cod fish at them
He can stop and interact with you if he is investigating an unusual occurrence. "Harassing" has no meaning.
Get a police order of protection
Pay her back of course.
i don't know! stop harassing me!
Some do. It depends on how she has the family roles set up and where she's getting her narcissistic supply from.
You need to contact your attorney about having them stop. There is no law unless you have declared bankruptcy that they have to stop.
tell them stop you are hurting me. i am crying inside. i don't like when you hurt me. please, i am scared by your harassing, sometimes i cry in the night. or tell their mom or try to write a letter to gov. shwaarzenegger