Answer: If he's your friend then you should know who they truly are, and how to truly respond. So simply say, "You're not ready to go" Or "You're just not feeling it." Also depending on your reasoning for not wanting to go, I can't truly explain. But if you don't want to go, just because you don't want to go, It's easy as "Maybe next time" Or "Not today."
Either contact the police or you can just shut down the company for good or sue the company if they don't change their ways, or just say "see you in court amigo!"
Explanation:
I know it's harsh, but these are things you could possibly do.