Infantryman (noun)

A soldier who serves as a member of an infantry, the branch of an army that fights on foot.

Origin:

Late 17th century: from infantry + -man.

Examples:

1. The infantryman was well-trained and prepared for combat.
2. The infantryman was a crucial member of the military.
3. The infantryman showed bravery and courage in battle.
4. The infantryman was an essential part of the ground forces.
5. The infantryman had a difficult and demanding job on the front lines.