Corporal
Definition 1 of 3
Pro Tip 1/3
Military Rank
Corporal is a specific rank, so use it only when talking about military positions. He just got promoted to corporal last week.
Pro Tip 2/3
Hierarchy Context
Corporal is used in hierarchical systems, often indicating authority or responsibility. As a corporal, she has to lead her squad.
Pro Tip 3/3
Not Basic Training
It's incorrect to call new recruits corporals; the title is earned with experience. After two years, he advanced from private to corporal.