(n.) One who practices rope dancing, high vaulting, or other daring gymnastic feats.

aerialist bareback rider circus artist clown contortionist equestrian director equilibrist flier funambulist gymnast high wire artist high-wire artist juggler lion tamer palaestrian pancratiast ringmaster ropewalker slack-rope artist snake charmer sword swallower tightrope walker trapeze artist tumbler weightlifter