waterman

noun5

1. •
   A man who lives or works on the water; a boatman.
2. •
   A man skilled in multiple aquatic sports disciplines, such as surfing, bodysurfing, undersea diving, canoe paddling, fishing, etc.
3. •
   Someone who distributes or supplies water for a living; a water-carrier.

   • An elderly sheik shared this little ceremony with us, and afterwards benignly gave the waterman a coin and made him spurt scented water on his face and beard. — 1974
4. •
   (old-fashioned) Specifically, an attendant on cab stands who supplies water to the horses.
5. •
   (no longer used) A seaman, a sailor.