I think Elsa's place in the Northuldra tribe will be very similar to the shaman.She has the power of natural elements, is responsible for communicating with the gods in nature, and prays to the gods to bless the tribe, so that the tribe's crops and prey will not be short, and the tribal people should take care of her. She should have no difficulty living in the forest!(Otherwise, she can run back to Arendelle to eat and bath, after all, riding Water Spirit is very convenient and fast).