Waterman

Webster's Dictionary of the English Language

·noun A water demon.

II. Waterman ·noun An attendant on cab stands, ·etc., who supplies water to the horses.

III. Waterman ·noun A man who plies for hire on rivers, lakes, or canals, or in harbors, in distinction from a seaman who is engaged on the high seas; a man who manages fresh-water craft; a boatman; a ferryman.