jawsmith

noun2

1. •
   (US, slang) An orator, especially a demagogue.
2. •
   (US, slang) A union organizer; later especially of the International Workers of the World.

   • One professional jaw-smith, who came as the self-appointed messenger of American labor wanted a Chinese-wall tariff, and subsidized ships to carry cargoes one way and ballast the other. — 1891