damnator

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

damnātor, ōris, m. [damno],

one who condemns (late Lat.), Tert. ad Nat. 1, 3; id. adv. Marc. 1, 7: damnator Christi frater iniquus, Sedul. Hymn. 1, 10 al.