Parachutist (8)
I believe the answer is:
skydiver
'parachutist' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for skydiver that I've seen before include "I jump out of planes" , "Sporting parachutist" , "one's taken off to get in position" , "Aerial jumper" , "Person who performs acrobatics in upper air before opening parachute" .)