Sir Martin Frobisher was a renowned English seaman and navigator, best known for his expeditions to the Arctic in search of the Northwest Passage during the late 16th century. Synonyms for this famous figure could include "mariner," "explorer," "adventurer," "navigator," "sailor," "captain," "voyager," "pioneer," "trailblazer," and "pathfinder." Frobisher's feats of discovery and exploration helped to expand England's empire and advance knowledge of the unknown regions of the world. Today, he is remembered as a courageous and skilled seafarer who helped to pave the way for future explorers and navigators.