Wordnet 3.0
NOUN (1)
1. 
 a person who destroys or ruins or lays waste to; 
- Example: "a destroyer of the environment"- Example: "jealousy was his undoer"- Example: "uprooters of gravestones"[syn: destroyer, ruiner, undoer, waster, uprooter]
WordNet (r) 3.0 (2006):
uprooter
    n 1: a person who destroys or ruins or lays waste to; "a
         destroyer of the environment"; "jealousy was his undoer";
         "uprooters of gravestones" [syn: destroyer, ruiner,
         undoer, waster, uprooter]