What is the meaning of Airman?

A pilot of an aircraft.

A person employed in one of several aviation-adjacent professions other than flight crew, such as a mechanic or air traffic controller.

A member of an air force.

A person of a rank in the U.S. Air Force above airman basic and below airman first class.

A naval seaman, especially one in the U.S. Navy, who works on and/or handles aircraft.

Source: wiktionary.org