In the Sepik Basin of Papua New Guinea, ritual culture was dominated by the Tambaran -a male tutelary spirit that acted as a social and intellectual guardian or patron to those under its aegis as they made their way through life. To Melanesian scholarship, the cultural and psychological anthropologist, Donald F. Tuzin, was something of a Tambaran, a figure whose brilliant and fine-grained ethnographic project in the Arapesh village of Ilahita was...