You can do nothing, but you can later make quests for the village, after they rage subsided. If you want.
You can roleplay a bit, drop some stones on the body to make a grave, or carry it to the cave. Personally I would try to cut it into pieces if it is winter and it won't rot too quick, then dry it, and sell/give to his fellow villagers, so they can retain at least some of his spirit.