Related Clues:

• One having second thoughts
• Contrite type
• Who's sorry now?
• One who's sorry
• One kicking oneself
• Confession participant, perhaps
• Repentent one
• Regretful one
• One who's sadder and maybe wiser
• One whose conscience gets to her
• Sorry sort?
• Regrets, he's had a few
• Contrite person
• Sorrowful sort
• Hand wringer