aerialist

n.	1.	an athlete who performs acts high above the ground on a trapeze or high wire, requiring skill and agility and coordination.
	2.	a burglar who gains entrance to buildings from the rooftop, sometimes leaping from building to building in the process. A type of second-story man.

Noun

1.

aerialist - an acrobat who performs in the air (as on a rope or trapeze)

acrobat, 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