proponent
proponent, n. 1. A person who puts forward a legal instrument for consideration or acceptance; esp., one who offers a will for probate. [Cases: Wills 211, 219. C.J.S. Wills §§ 453–456, 468.] 2. A person who puts forward a proposal; one who argues in favor of something (a proponent of gun control). 3. Parliamentary law. […]