avenger

This leads to his murder by someone who is, we will suppose, an avenger, someone from outside.

This avenger, for some reason which I confess I am still at a loss to explain, took the dead man’s wedding ring.

“Before this avenger got away, Barker and the wife had reached the room.

“You are mistaken, sir,” exclaimed Morrel, raising himself on one knee, his heart pierced by a more acute pang than any he had yet felt—“you are mistaken; Valentine, dying as she has, not only requires a priest, but an avenger.