Ruiner

n.

1.

One who, or that which, ruins.

Noun

1.

ruiner - a person who destroys or ruins or lays waste to; "a destroyer of the environment"; "jealousy was his undoer"; "uprooters of gravestones" Synonyms: uprooter, waster, destroyer, undoer

annihilator, bad person, destroy, destroyer, diversionist, iconoclast, image breaker, ruin, saboteur, undoer, uprooter, vandal, waster, wrecker