Broker fermented red ale (6)
I believe the answer is:
dealer
'broker' is the definition.
(thesaurus)
'fermented red ale' is the wordplay.
'fermented' indicates an anagram.
'red'+'ale'='redale'
'redale' with letters rearranged gives 'DEALER'.
(Other definitions for dealer that I've seen before include "Merchant" , "Trader - distributor of cards" , "Trader as on Stock Exchange" , "Buyer and seller of goods" , "One gives out the cards" .)