What is the meaning of Purveyor?

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

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.

A person or group that promotes or spreads an idea, a viewpoint, etc.

One who arranges or prepares something; an arranger, an orchestrator, a preparer.

Source: wiktionary.org