vindicator
noun/ˈvɪndɪˌkeɪ̯tə/ · [ˈvɪndɪˌkʰeɪ̯tʰə]
Etymology Borrowed from Latin vindicātor, equivalent to vindicate + -or.
1
A person who vindicates.
- Little thought the good-natured vindicator of Lady Anne's offspring (to all of whom he was sincerely attached) that he had drawn upon one that which she held to be the great misfortune of her life a short time afterwards.1838 (date written), L[etitia] E[lizabeth] L[andon], chapter XX, in Lady Anne Granard; or, Keeping up Appearances. […], volume I, London: Henry Colburn, […], published 1842, →OCLC, page 251: