Seaman
Part of speech: noun
Definition: A mariner or sailor, one who mans a ship. Opposed to landman or landsman. The lowest ranking in the Navy, below Able Seaman. An enlisted rate in the United States Navy and United States Coast Guard, ranking below petty officer third class and above seaman apprentice. A merman; the male of the mermaid.
Example sentence: I was a tried seaman when, for the first time, I set foot upon the soil of my country, and took up my residence where my people had lived for over two hundred years.
Mariner
Part of speech: noun
Definition: A sailor.