Related Clues:

• Remorseful soul
• One with second thoughts, say
• Penitent one
• Contrite fellow
• Penitent soul
• Penitent person
• Contrite one
• One having second thoughts
• Contrite type
• Someone making amends
• Who's sorry now?
• One who's sorry
• One kicking oneself
• Amends maker
• Confession participant, perhaps