Can I abandon a stoner in the woods without a compass?
Why would you do that? Did they do something that you did not like?
They made me angry, that's why I am abandoning them.
I also would want to leave people that are making me actively angry, but you are in the woods with this person, and abandoning them may be very dangerous especially if you will not leave them with a compass. If you really want to abandon this person safely, I would recommend that you navigate away from the forest first, and make sure that they would go home safely before you don't contact them anymore.
They are not my kid, do what I want.
It does not matter if they're not your child, they are a human being and how would you like to be left in the middle of nowhere? It's just an extremely mean spirited thing to do.