first, I did have friends with me, and through the night I made multiple attempts towards them that I was feeling unsafe
This was the part I was referring to. That if you felt uncomfortable at this point (whether alcohol was a factor or not at that point), try to follow your instinct to protect yourself.
Not saying that it makes any of what followed okay or fair. You had every right to proceed to drink and trust that you would have a good night. I guess I've just learned that it's up to me ultimately to be more tactful and discerning about relying on others.
It's not the same as saying you did something or made any choice that led to what happened. I'm only throwing up advice for how you may protect yourself in the future.
Bottom line, he took advantage of your circumstance as do many miserable human beings. Same as a cruel adult takes advantage of a vulnerable child.