340 N Reservation Rd Porterville, CA 93257. Coronation Outfit. Quotes. The River Tribe Elder is the leader of the River Tribe and a member of the Wakandan Tribal Council . Lip plate is prosthetic that took hours to put on every day. [as T'Challa signals his guards to take Killmonger away from the throne room, the River Tribe Elder gets up] River Tribe Elder : [in Xhosa] Who are you? The River Tribe is Nakia’s tribe. Phone: (559) 781-4271 Fax Number: (559) 781-4610 The Elder wears a lip plate and ear gauges. Tan tribal warrior outfit with horned hat, cowrie-shell bordered shoulder sash, and flared sleeves.