infidelity 无宗教信仰
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Raskolnikov's mother told him everything for the past several months in the letter. Her sister Dounia suffered an insult from the Svidrigaïlov’s as a governess. In the end, Marfa (Mr. Svidrigailov’s wife) was completely convinced of Dounia's innocence, and tried to re-establish Dounia's reputation. Meanwhile, Dounia was acquaintance with Pyotr Petrovitch Luzhin. Considering the future for her whole family, Dounia decided to marry Luzhin.