Willfully ignorant...Of their own will, they ignore facts, sound advice, accurate information and the truth...They are willfully ignorant
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."
A person who refuses to have fun might be described as a "killjoy" or a "wet blanket." These terms refer to someone who dampens the mood or discourages enjoyment in social situations. Additionally, they may also be labeled as overly serious or uptight, depending on the context.
Obstinate.
The trouble that there are sorts of medical terms for someone who is slow learner. A person who is slow to learn maths is dyscalcic, a person slow to learn reading is dyslexic, a person who is slow to learn balance or similar poise is call a dyspraxic. It depends on how easy the skill is to learn, whether the person enjoys doing it and if they practise.
call the boss
A mentor is a person who helps others to learn how to access their individual knowing capacities.
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.