Possible Clues:

• Sarge, for one
• Sarge, e.g.
• Sarge, e.g
• Sgt., e.g.
• Sergeant, for one
• Private motivator?
• Sergeant, for example
• 'Without a commission, in short (3-3)'
• 'It starts with what's private, in short (3-3)'
• Sgt. Or Cpl