proponent
- An individual who advocates for a particular idea or cause
- An individual who presents a will to a court for validation
- The proponent carefully laid out their arguments in favor of the new law during the town meeting.
- After her grandmother's passing, she became the proponent for her will, ensuring it was properly validated.
- As a staunch environmentalist and proponent of renewable energy, he used his platform in the community to advocate for more sustainable practices.
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