bn:00001603n
Noun Concept
EN
proponent  advocate  advocator  exponent
EN
A person who pleads for a cause or propounds an idea WordNet 3.0
Definitions
Relations
Sources
EN
A person who pleads for a cause or propounds an idea WordNet 3.0 & WordNet 2020
One who propounds a will for probate. Wiktionary
WordNet 3.0 & WordNet 2020
Wiktionary