1. a person who defends, justifies, or proves the correctness of someone or something

Examples

• The lawyer served as a vindicator of his client’s reputation.
• She became a vindicator of women’s rights in the workplace.
• The journalist acted as a vindicator of press freedom.
• History proved him to be a vindicator of unpopular but correct ideas.
• The scientist was a vindicator of the controversial theory.
• He appointed himself as the vindicator of traditional values.