proponent
🇺🇸
/prəˈpəʊnənt/
🇬🇧
/prəˈpəʊnənt/
someone who strongly supports or argues for a particular idea or way of doing something
The proponent of the new policy gave a persuasive speech at the meeting.
새로운 정책의 지지자는 회의에서 설득력 있는 연설을 했습니다.