During their conversation Lushkoff reveals that Sergei’s cook, Olga, is responsible for the positive change in him. How has Olga saved Lushkoff?

According to Lushkoff, Olga used to scold him but then she grows sad and cries for him. She sheds tears for his sake. She expresses sympathy and kindness towards him. She used to chop the wood for Lushkoff. It is her words and kind deeds that inspires Lushkoff to change. Thus, Olga saves Lushkoff.