T / trādĭtor
noun

trādĭtor

gen. trādĭtōris · gender masculine · decl. 3rd
id (post-Aug.).
A betrayer
A betrayer, traitor, for the usual proditor: interfecto traditore, Tac. H. 4, 24; Sedul. Carm. 5, 61; Aug. Bapt. 7, 2.—
A teacher
A teacher: alicujus scientiae, Arn. 3, 113; Tert. Coron. Mil. 4 fin.