0
A soldier that fights on foot is typically referred to as an infantryman or foot soldier.
That is the correct spelling of the word "infantryman" (foot soldier).
A World War 2 foot soldier is commonly referred to as an infantryman or GI (short for "Government Issue").
Vietnam War: Grunt=Infantryman (foot soldier).
WWI infantrymen were called doughboys.
WWII infantrymen were called dog faces.
grunt: moan
Former soldier who demanded his war pension sooner than it was due