A person or business that sells or supplies something, especially food or provisions. The local purveyor of fine cheeses has been in business for over 50 years.
A person or organization that actively spreads, advocates, or promotes a particular idea, view, rumour, or piece of information. The blogger has become a prominent purveyor of conspiracy theories.
Historical. An official responsible for supplying provisions, especially to a royal, noble, or military household. In the medieval court, the purveyor ensured that the king’s armies were properly victualled.