interceptor

interceptor, ōris, m. [intercipio],

an intercepter , usurper , embezzler : praedae, Liv. 4, 50, 1: litis alienae, id. 3, 72, 4: donativi, Tac. H. 3, 10: divini beneficii, one who renders void , Val. Max. 9, 11, 4.