There are a number of different words that can be used as synonyms for the term "dockhand," which generally refers to someone who works at a port or marina loading or unloading cargo or assisting with other tasks related to shipping and boating. Some possible alternatives might include "longshoreman," "stevedore," "wharfie," "dockworker," "marine laborer," "port worker," or "harbor hand." Each of these terms conveys slightly different connotations and may have different specific implications depending on the context in which it is used. However, they all broadly speaking refer to individuals who are involved in the handling of goods and materials in a marine or waterfront setting.