The term 'contrite one' is used to describe someone who is remorseful and apologetic for their actions. The crossword solutions for this term are 'atoner' (6 letters), 'ruer' (4 letters), 'PENITENT' (8 letters), 'RUING' (5 letters), 'RUE' (3 letters), and 'repenter' (8 letters). An atoner is someone who makes amends for wrongs they have committed, while a ruer is someone who expresses regret or sorrow. A PENITENT is someone who shows sincere remorse for their actions, while RUING is the act of expressing regret or sorrow. RUE is an expression of regret or sorrow, and a repenter is someone who shows remorse for their actions.