bather
1. [ noun ] a person who travels through the water by swimming
Synonyms: natator swimmer
Examples:

"he is not a good swimmer"

Related terms: traveler skin-diver surfer floater swim
2. [ noun ] a person who takes a bath
Related terms: person bathe
Similar spelling:   batter
  battery
  Bader
  Bauder
  bother
  Bator