informer Copy link Outline 1. dēlātor (esp. a dishonest, venal i., as under the Empire)2. quadruplātor (v. Dict. Ant. p. 980)3. index, ĭcis., c. (esp. one who betrays his accomplices) • informer: 1. dēlātor (esp. a dishonest, venal i., as under the Empire): rewards given to i.s, praemia delatorum, Suet. Ner. 10: Tac. Join: criminum auctores delatoresque, Liv. 45, 31., med. Phr.: he had been an i. under Nero, temporibus Neronis delationes factitaverat, Tac. H. 2, 10. 2. quadruplātor (v. Dict. Ant. p. 980): vilest of i.s, buadruplatorum deterrimus, Cic. Verr. 2, 2, 8, 22: Liv. 3. index, ĭcis., c. (esp. one who betrays his accomplices): all those facts i.s have revealed, haec omnia indices detulerunt, Cic. Cat. 4, 3, init.: i.s and assassins, i. atque sicarii, Cic. Mur. 24, 49. (N.B.--Not accusator, except in late authors, cf. Suet. Aug. 66, med.)