I / irrŭmātor
noun

irrŭmātor

gen. irrŭmātōris · gender masculine · decl. 3rd
one who practises beastly obscenity
one who practises beastly obscenity, Firm. Math. 8, 20.—
a vile person by extension
Transf., a vile person, Cat. 10, 12.