Craftsman
A craftsman was a person who was skilled in a particular craft, such as building or repairing.
In 2268, Norman assured Montgomery Scott that he had several android craftsmen available to create things for him. (TOS: "I, Mudd")
In 2365, Thadiun Okona commended Geordi La Forge's skill at rebuilding the Erstwhile's guidance system, saying he was "quite a craftsman". (TNG: "The Outrageous Okona")
In Ventaxian history, a Klingon craftsman was engaged in a legal case regarding his contract for performing work on a Ventaxian home, the only such dispute involving a claimant who was not Ventaxian. Both parties involved resorted to arbitration rather than the courts, a legal precedent Data located in 2367 and believed could be applied to the dispute involving an impostor posing as Ardra. (TNG: "Devil's Due")