- nullifier - an advocate of nullification; someone who believes that a state can resist federal laws
--1 is a kind of advocate, advocator, proponent, exponent
Derived form: verb nullify1 - invalidator, voider, nullifier - an official who can invalidate or nullify; "my bank check was voided and I wanted to know who the invalidator was"
--2 is a kind of official, functionary
Derived form: verb nullify1