Related Clues:

• Teach one-to-one
• Struggling student's assistant
• Debt
• Note-signing transaction
• Something to repay
• Cash advance taken by this puzzle's longest answers
• The 'L' in S.&L.
• A shark might give you one
• Money to help one through a tight spot
• Piece of bank business
• Lesson leader
• Savings' partner
• Teacher with a class of one
• Learning aide
• Instruct privately