Objective, as heretic-burning, heretic-hunting, heretic-taker.
attributive and in other combinations, as heresy-ferret, heresy-hunt, heresy-hunter, heresy-hunting, heresy-monger, heresy-mongering; heresy-stained…
attributive and in other combinations, as heresy-ferret, heresy-hunt, heresy-hunter, heresy-hunting, heresy-monger, heresy-mongering; heresy-stained…
One who fights against heresy.