Supercargo

Noun

1. Synonym of supracargo An officer on board a merchant ship who is in charge of the cargo and its sale; if there are two such officers, the senior one, the other being the subcargo. An agent or representative of a company in charge of its overseas business.
2. An officer on board a merchant ship who is in charge of the cargo and its sale; if there are two such officers, the senior one, the other being the subcargo.
3. An agent or representative of a company in charge of its overseas business.
4. Any overseer or superintendent; also, an agent or representative; or an intermediary; a go-between, a middleman.