upholder

Definitions

A person or thing that supports, maintains, or defends a principle, cause, or belief.

Someone who keeps something in place or prevents it from falling or failing.

Examples

She is a staunch upholder of human rights and has dedicated her career to fighting injustice.

As an upholder of tradition, he insisted that the ceremony be conducted exactly as it had been for centuries.

Synonyms

advocate supporter defender champion proponent backer promoter

Antonyms

opponent critic adversary detractor challenger antagonist opposer