Synonyms for Seaman (same or very similar meaning)
WordNet sense 1 (muckraking United States journalist who exposed bad conditions in mental institutions (1867-1922)):
Elizabeth Cochrane Seaman, Elizabeth Seaman, Nellie BlyWordNet sense 2 (a man who serves as a sailor):
gob, jack, mariner, seafarer, tar, Jack-tar, old salt, sea dogFrom the ODE community, based on WordNetadd/edit