I would say in a LOUD CLEAR VOICE. “Take your hand off of me right now. You are either making an unwelcome advance or you are assaulting me so stop it this instant.”
If he touched me any longer or again we would be having a face off between the SS detail and the Arizona State Police.
This bastard has gone too far for too long without being challenged.
But, like all narcissists and addicts, he would then feign ignorance of offence and claim that you are the one inappropriately raising a stink.
I’ve seen this behavior/tactic used a lot by addicts & narcissists.