A blacksmith was a profession where an individual worked metal.
When the Fifth Doctor, Turlough and Tegan visited Buzzard Creek in 1905, the town had a blacksmith shop run by Jed Harper. (AUDIO: Freakshow)
Nathan Bottomley was a blacksmith from the village of Farringham. (PROSE: Human Nature)
Calidora added some of the covering of a belief engine to a statue of Athena that her blacksmith father was making. (COMIC: The Chains of Olympus)
Lofty was a Viking blacksmith who trained to be a warrior to fight the Mire. (TV: The Girl Who Died)