waterman

A boatman.

A boatman; a ferryman; a man who manages water-craft; one who plies for hire on rivers, etc.

One who carries or distributes water; specifically, a person who waits at a cab-stand for the purpose of supplying the horses with water, calling the cabmen when they are absent, etc.

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.

An attendant on cab stands, etc., who supplies water to the horses.

A water demon.

A seaman, a sailor.

A man who lives or works on the water; a boatman.

Someone who distributes or supplies water for a living; a water-carrier.

Specifically, an attendant on cab stands who supplies water to the horses.