Voider has 5 different meanings across 1 category:
Noun
an official who can invalidate or nullify
"my bank check was voided and I wanted to know who the invalidator was"
a person who defecates
a piece of chain mail covering a place unprotected by armor plate
a hamper that holds dirty clothes to be washed or wet clothes to be dried
One who, or that which, voids, empties, vacates, or annuls.