"Taking care of a drunk person" doesn't mean taking an unconscious person. who doesn't know you, back to your home he's never been to before, and putting him into your bed.
It at the very least is coercion (possibly provable). and kidnapping early on. Even if his friends "gave permission" to take him, North himself certainly wasn't in any state to give consent.
There's also the stalking.
It's pretty borderline.
I'm just assuming the SA is coming.