A penitent person is someone who has repented for their wrongdoings and is seeking forgiveness. This can be seen in the two crossword solutions, 'ruer' and 'atoner'. 'Ruer' is a French word meaning to regret or be sorry for something, while 'atoner' is someone who seeks to make amends for their wrongdoings. Together, these two words describe someone who is remorseful and actively trying to make up for their mistakes.