noun
Refers to a person who dives, typically in a professional or occupational context such as underwater construction, salvage, or pearl diving. Not the most common word for a recreational diver (ダイバー is more typical).
潜水夫が海底のケーブルを点検している。
The diver is inspecting the cable on the seabed.
彼は若い頃、真珠を採る潜水夫として働いていた
When he was young, he worked as a pearl diver.
A licensed commercial diver under Japanese law. 潜水夫 is a broader, more general term for a diver.
Compound of 潜水 (diving, underwater) and 夫 (man, worker). The exact historical derivation is uncertain, but the spelling is conventionally associated with a male occupational diver.