A seducer who ruins a woman.

Pools: playboy, bałamutnik

A person who unfastens or unwraps or opens:
— Children are talented undoers of their shoelaces.

synoniemen: opener, unfastener, untier.

A person who destroys or ruins or lays waste to:
— Jealousy was his undoer.

synoniemen: destroyer, ruiner, uprooter, waster.

Nederlands: verbrasser, verkwister, verspiller
Pools: destruktor, niszczyciel