undoer

• n.
  • a seducer who ruins a woman

    "she awoke in the arms of her cruel undoer"

  • a person who unfastens or unwraps or opens

    "children are talented undoers of their shoelaces"

    同义词： opener unfastener untier

  • a person who destroys or ruins or lays waste to

    "jealousy was his undoer"

    同义词： destroyer ruiner waster uprooter

以上来源于: WordNet