Forge worker (5)
'forge worker' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for smith that I've seen before include "Forger" , "Shoemaker" , "Commonest name" , "Bessie - - , blues singer" , "See 14" .)
(Other definitions for blacksmith that I've seen before include "forger" , "Operator of forge" , "Worker in forge" , "craftsman" , "Artisan" .)