A soldier is a member of a nation's military. The word "soldier" specifically refers to members of the army who are without officer's commission. In most armies of the world, soldiers who are not officers can work their way through the ranks to obtain a...

Marine (military)

The term "serviceman" refers to an enlisted individual in the armed forces. More generally, the term can be applied to officers as well. For more information see:

Airman is a term used to refer to any enlisted personnel in the United States Air Force or Other Ranks in the Royal Air Force (in which airwoman is also seen). It is also a specific rank in the United States Air Force. More informally, it can refer to...

Sailor or Seaman