supercargo

 
Pronunciation: /suːpəˈkɑːgəʊ, sjuː-/

noun (plural supercargoes or supercargos)

  • a representative of the ship’s owner on board a merchant ship, responsible for overseeing the cargo and its sale.

Origin:

late 17th century: alteration of earlier supracargo, from Spanish sobrecargo, from sobre 'over' + cargo 'cargo'