Who is Albert Lomatewa from The Dark Wind and what is their importance?

Albert Lomatewa is the appointed Messenger in the preparation for the Hopi ceremony of the Niman Kachina. He is accompanied by two others when he is carrying the bundle of spruce and comes on the mutilated corpse of the dead Navajo. It is also Albert who persuades the others to not report the body until after the ceremony is completed.