purveyor

noun4

1. •
   One who purveys (“furnishes, provides; gets, procures”); a supplier; specifically, one in the business of supplying food or other necessary material goods; a provisioner.

   • The merchants are the purveyors of fine selections.
2. •
   (UK, historical) An officer who obtained provisions such as accommodation and food for the household of a monarch or some other high-ranking person; also, an officer in charge of obtaining provisions for an army, a city, etc.
3. •
   (figurative) A person or group that promotes or spreads an idea, a viewpoint, etc.
4. •
   (no longer used) One who arranges or prepares something; an arranger, an orchestrator, a preparer.