The term 'Hand on Deck' is a phrase used to describe the personnel that are actively working on a ship. The three words that make up this phrase are SEAMAN (6 letters), SAILOR (6 letters) and MATE (4 letters). A SEAMAN is a person who works on a ship, usually in a lower rank. A SAILOR is someone who is experienced in sailing and navigation. A MATE is a person who is in charge of a ship's crew and is responsible for the safety of the ship and its passengers.