What's the difference between saul life before hockey and him playing hockey in the present in the novel? ASAP

Before hockey, Saul was simply existing in St. Jerrome's school. He was quiet and read books. He tried to remain invisible. Once Father Leboutilier introduced hockey into his life, Saul began to feel again. He found a new identity and a sense of worth even in the midst of the brutality of forced assimilation.