Nyok lives in the forest and helps you craft items from his house (though it appears all he does is walk up and down the forest). Although Nyok says he lives in the area where he cooks,he does not rest there, purchase items, or level up. He also seems to like Dahlia and he will give you quests to try to show her that he does.
"Welcome to the "Green Forest", friend... I am Nyok. I want to become a great chef someday and... I need someone to test my culinary skills."