Seller (12)
'seller' is the definition.
(I know that seller can be written as vendor)
This is all the clue.
(Other definitions for vendor that I've seen before include "Salesperson" , "Person selling" , "A Latin seller" , "who does business?" , "One selling house" .)
'seller' is the definition.
(I know that Trader is a type of seller)
This is all the clue.
(Other definitions for trader that I've seen before include "Merchant ship; dealer" , "Red tar (anag)" , "Person in the business of buying and selling" , "Tarred like merchant" , "Dealer, monger" .)
'seller' is the definition.
(I know that purveyor is a type of seller)
This is the entire clue.
(Other definitions for purveyor that I've seen before include "Provider (of goods)" , "Retailer" , "Supplier of provisions" , "Supplier of victuals" , "Supplier (of food, etc)" .)
'seller' is the definition.
(I know that seller can be written as merchandiser)
This is all the clue.
(Another definition for merchandiser that I've seen is " who manages retail business?".)