EWoT:Tavan was Warder to Careane Fransi. It is unknown whether Tavan is aware that Careane is Black Ajah.
He had broad shoulders.
He was with Careane when she traveled to Caemlyn. He felt Careane die inside the house on Full Moon Street and rushed inside to confront the Black Ajah Aes Sedai who had killed her. It is assumed he died in the confrontation.