He had no idea when he started his climb that day that his mortal coil would wind up studied more than almost any other cadaver in history — or maybe no almost.
I suspect the man was actually in a group to find food, raw materials or other vitals for his village. The things that have finally been attributed to him point to a hunter, and that, in itself, is exciting.
I hope I live long enough for all the answers...or at least, most of them!