Usage examples:

• Again he begs Lazada not to allow this sacker ledge." John Blaine in "The Golden Skull".

• And as the trained soldier wheeled about and spurred away, the sacker of Rome turned a dark scowling face on Tignonville. Stanley J. Weyman in "Historical Romances: Under the Red Robe, Count Hannibal, A Gentleman of France".

• One legend tells of her sojourn in Egypt, and of her meeting, there, Ulysses, " sacker of cities." Albert Payson Terhune in "Superwomen".