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 scarce, and the tribal people should also take care of her. She should have no difficulty living in the forest!(Otherwise, she can also run back to Arendelle to eat and bath, after all, taking the Water Spirit is very convenient and fast).