What title is given to a sailor who has not crossed the equator?

The title given to a sailor who has not crossed the equator is "Polywog." In naval tradition, sailors who have not yet made the crossing from one hemisphere to the other are referred to as polywogs, whereas those who have completed the journey are known as shellbacks. The crossing of the equator is often marked by a ceremonial initiation that involves a rite of passage, transforming polywogs into shellbacks. This tradition emphasizes the milestone achievement and the unique experiences that come with crossing the equator.

Other titles mentioned in the choices represent different roles or statuses in maritime context but do not relate specifically to the crossing of the equator. A deckhand is a crew member who performs manual tasks aboard a ship, while a mariner is a general term for someone who navigates or assists in the operation of a vessel. Shellback, on the other hand, is reserved for those who have successfully crossed the equator, marking them as initiates into this storied tradition.