A boatsman is someone who navigates or operates a boat. There are various synonyms for this word depending on the context and usage. Some of the common synonyms include sailor, mariner, skipper, helmsman, seafarer, riverman, rower, oarsman, and boatman. These terms are often used interchangeably, but each carries a unique connotation. A sailor often refers to someone who works on larger vessels, while a boatman or riverman generally operates smaller boats in inland waters. A skipper is usually a captain, while a helmsman steers the boat. In addition, a rower or oarsman primarily uses oars to move the boat.