The term 'member of Red Indian tribe' can be summarized as an APACHE, which is a 6-letter word. The APACHE are a group of culturally related Native American tribes in the Southwestern United States, which include the Chiricahua, Jicarilla, Lipan, Mescalero, Salinero, Plains and Western APACHE. They are renowned for their fierce fighting ability and skill in warfare, which has been documented in numerous books and films.