A high jumper is an athlete who competes in the sport of track and field. The goal of a high jumper is to jump over a bar that is placed at a certain height. SKYDIVER is an 8 letter term for a high jumper, which refers to someone who jumps from an airplane or other high place with a parachute. Vaulter is a 7 letter term for a high jumper, which refers to someone who uses a pole to vault over a bar. Finally, FLEA is a 4 letter term for a high jumper, which refers to someone who jumps very high.