A sailor is a person who works on a ship or boat, often involved in operating and navigating the vessel. Sailors can be found in various roles, including deckhands, engineers, and officers, depending on their training and experience. They are essential for the safe and efficient movement of goods and people across oceans and waterways. Sailors typically undergo training to learn skills such as navigation, seamanship, and safety procedures. They may work on different types of vessels, including cargo ships, fishing boats, and naval ships. The life of a sailor can involve long periods at sea, requiring teamwork and adaptability to changing conditions.