supeˈrerogatorrare. [f. supererogate v. + -or.] One who performs works of supererogation. 1679Let.Vind.Ref.Ch. 9 These horrid Supererogators do seem..to out-act the most Holy Law-giver.1826Westm.Rev. Jan. 34 Man is not here a mere supererogator, an unbidden counsellor.