I have: a pistol (no ammo); backup food supply (beef jerky); water purification tablets
I ate Berries and Roaches on Day 2 - I need to eat before the end of Day 4
I chose OPTION 1 - Try awake and greet the man.
Somebody sleeping in a tree, that sounds like someone in the same situation as me... I"ll try to greet him, maybe we can join forces?!