IPA: /ˈɔɪstərmən/
KK: /ˈɔɪstərmən/
A person who collects, raises, or sells oysters, often working in coastal areas.
The oysterman brought in a fresh catch of oysters for the market.
Oysterman → It is formed from "oyster" (from Old French *oistre*, meaning a type of shellfish) and "-man" (meaning a person who). An oysterman is a person who deals with or harvests oysters.
Think of someone who works with oysters — the word 'oysterman' combines 'oyster' for the shellfish and '-man' to indicate a person.