Everything you need to understand or teach One Day in the Life of Ivan Denisovich by Aleksandr Solzhenitsyn.
Ivan's bunk mate, he is known by his religion. He represents the spiritual element that survives despite the atheism that is a cornerstone of Communism, in which the State is the only religion. He reads his Bible and is protected by Ivan, who respects his faith. In fact, Ivan wonders how Alyoshka can survive without extra rations and shares his cookie from Caesar with him.