Retailer (6)
There are a few possibilities for this:
newsagent
'retailer' is the definition.
(I know that grocer is a type of shopkeeper)
This is the entire clue.
(Other definitions for grocer that I've seen before include "One supplying households" , "Dealer in foodstuffs and household goods" , "Food merchant" , "Shopkeeper who sells food and household goods" , "Seller of food and household supplies" .)
'retailer' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for trader that I've seen before include "One buys and sells" , "One in business" , "Red tar (anag)" , "Tarred the dealer badly" , "Tarred like merchant" .)
'retailer' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for newsagent that I've seen before include "shop selling rags?" , "daily shop" , "Shopkeeper selling magazines" , "Retailer" , "Seller of papers" .)