Noah Webster's Dictionary (n.) One who, or that which, ravages or lays waste; spoiler.

Multi-Version Concordance Ravager (2 Occurrences) Judges 16:24 And when the people saw him, they praised their god; for they said, "Our god has given our enemy into our hand, the ravager of our country, who has slain many of us." (DBY RSV) Isaiah 54:16 See, I have made the iron-worker, blowing on the burning coals, and making the instrument of war by his work; and I have made the waster for destruction. (See RSV)