"선원" refers to a crew member or sailor who works on a ship. These individuals are responsible for various tasks, including navigation, maintenance, and ensuring the safety of the vessel. They play a crucial role in the operation of maritime activities, whether on commercial ships, fishing boats, or naval vessels. The term "선원" is often associated with the maritime industry, which includes shipping, fishing, and naval operations. Crew members may have specialized training and certifications, such as those related to safety protocols and navigation techniques. Their work is essential for the smooth functioning of sea transportation and trade.