objector

objector [LL] , objector, one who raises objection or brings charge or accusation. 1304 in quo termino nullus comparuit oppositor vel ~or Reg. Cant. I 481; 1422 magis ‥ expediens fore supponimus in manus ~oris insidere quam ‥ prohibiciones relinquere nostre norme [sc. nigrorum monachorum] Conc. III 416b..