noun
skydiver
A person who jumps from an aircraft and performs freefall before deploying a parachute.
彼はプロのスカイダイバーだ。
He is a professional skydiver.
スカイダイバーが次々と飛行機から飛び降りた。
Skydivers jumped from the plane one after another.
Refers to the sport or activity of skydiving, while スカイダイバー refers to the person who does it.
Borrowed from English 'skydiver'.