He saw himself as a vindicator of honor, always standing up for what he believed was right.
Idiomatic Expressions for vindicator
Phrase: be the vindicator of justice
Meaning: to be a person who seeks to uphold justice and righteousness, often by taking action against wrongdoing or injustice
Usage: As a lawyer, he sees himself as the vindicator of justice, fighting for the rights of the oppressed.