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.

Boatman who plies for hire

Boatman or bargee, usually working on a river rather than a canal navigation.

Waterman is a lunar crater that is located on the Moon's far side, and can not be viewed directly from the Earth. It is near the prominent Tsiolkovskiy crater, along the southern outer ramparts. Almost attached to the southwest is Neujmin crater, so that Waterman lies straddled between these two features.

Waterman (English translation: "Aquarius") was the Dutch entry in the Eurovision Song Contest 1970, performed in Dutch by The Hearts Of Soul.

A water demon.

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

someone who drives or rides in a boat