The rank and title of Corporal is a non-commissioned officer's rank. They often act as squad or platoon leaders in army organizations.
In New Republic Service Edit
Corporal is the lowest of the NCO ranks in the New Republic Army. Soldiers who are aiming for a position as an NCO are required to have at least twelve months (preferably longer) experience as a Corporal, assigned as an oberserver to a more experienced senior NCO. They are often team leaders in combat, or act as an NCO's left-hand. They are frequently entrusted with more responsibility in combat and in garrison, and are expected to set and maintain the standard for their fellow junior soldiers.