affreightment

Affreightment (from freight) is a legal term used in shipping. A contract of affreightment is a contract between a ship-owner and a charterer, in which the ship-owner agrees to carry goods for the charterer in the ship, or to give the charterer the use of the whole or part of the ship's cargo-carrying space for the carriage of goods on a specified voyage or voyages or for a specified time. The charterer agrees to pay a specified price, called freight, for the carriage of the goods or the use of the ship https://en.wikipedia.org/wiki/Affreightment