Derogate (verb)

1. To detract from the authority or dignity of.
2. To lower in rank, status, or reputation.

Origin:

From latin "derogare" meaning "to repeal, annul, or subtract from".

Examples:

1. His behavior at the party was seen as derogating from his professional reputation.
2. His insults and accusations derogated the integrity of the court.
3. His actions were seen as derogating from the authority of the law.
4. The judge's decision was seen as derogating from the rights of the accused.
5. His public statements were seen as derogating from the dignity of the office.