Source : Webster's Revised Unabridged Dictionary (1913)

Rifleman \Ri"fle*man\, n.; pl. {Rifleman}. (Mil.)
   A soldier armed with a rifle.

Rifleman \Ri"fle*man\, n.; pl. {Rifleman}. (Mil.)
   A soldier armed with a rifle.

Source : WordNet®

rifleman
     n 1: someone skilled in the use of a rifle
     2: a soldier whose weapon is a rifle