Possible Clues:

• One's paid a student -- pounds wasted!
• Source of shady income for only the middle-class?
• One receives wages in return for labour
• One that's waged war 17 24 during Frenchman's retreat
• Worker with income
• Good job composer invested in ruler!
• Pupil hasn't started rewarding activity
• Student's failing to start a business generating income
• European arrives to tour New England in rewarding venture
• Starting with Latin, this employee could become a student