IPA: /ˈɔɪl.mən/
KK: /ˈɔɪlˌmæn/
A person who works in the oil industry, involved in activities like production, refinement, or selling oil.
The oilman negotiated a new deal for drilling rights in the region.
Oilman → The word is formed from "oil" (from Old French *oile*, meaning a liquid fat or grease) and "man" (from Old English *mann*, meaning a human being). An oilman is a person involved in the oil industry or trade.
Think of a person ('man') who works with 'oil' — that's what an oilman does.