society > law > rule of law > illegality > [noun] > legal invalidity or faultiness > annulment or abrogation > one who (4)
A person who or (occasionally) thing which abrogates something.
One who or that which evacuates (in the senses of the verb).
A person who repeals or advocates repeal.
A person who advocates repeal (in various senses). Cf. repealer, n.