Uncooperative?
Non-partisan or independent.
A person who refuses to kill their enemy can be described as compassionate, forgiving, or nonviolent.
You could call a snowman who refuses to melt a "resilient snowman" or a "stubborn snowman."
Party Pooper
sir
Obstinate.
Willfully ignorant...Of their own will, they ignore facts, sound advice, accurate information and the truth...They are willfully ignorant
call the boss
Call the police ,guards ,cops what ever it is in your counrty and supply them with a recipt of proof of purchase
Nonjuror
A person who takes in a minor with the parents' permission may face criminal charges. It is best to call the parents or the police if the minor refuses to leave.