R / rē^frāgātor
noun

rē^frāgātor

gen. rē^frāgātōris · gender masculine · decl. 3rd
an opponent; adversary
an opponent, adversary: Ciceronis, Ascon. ad Or. in Tog. Cand. (p. 83 Orell.); Tert. adv. Gnost. 1.