This is self correcting behavior one way or the otherAs long as your friend has you along, he doesn't need to have a gun in the woods. He's got you...LOL
I have run into a sketch people in the woods and upon reporting one particular incident to the local sheriff I learned that they were very interested in where I had encountered the person and what the person was doing at the time.
Apparently the Sheriffs department was already engaged in an active search for a person that fit the description I gave them.
That said, I've had very few strange encounters while in the woods.
If after making your case, your anti gun friend still doesn't want a gun, then he doesn't want a gun. That is that, drop the matter and press on.