#swimmer  a trained athlete who participates in swimming meets; "he was an Olympic swimmer"
  supertype:  athlete__jock  a person trained to compete in sports
  instance:  Gertrude_Caroline_Ederle
  subtype:  backstroker  someone who swims the backstroke
  subtype:  breaststroker  someone who swims the breaststroke
  subtype:  diver__plunger  someone who dives (into water)

No statement uses or specializes swimmer; click here to add one.