oarsman

2. A skilled or professional rower in a racing crew.

The team's star oarsman set a new record in the singles event.

3. A person who operates oars as a job or duty on a vessel.

The oarsman ferried passengers across the river every morning.

4. A member of a rowing crew who helps steer or power the boat.

Each oarsman in the eight-person shell kept perfect timing.