Who is Calvin Pye from Crow Lake and what is their importance?

Calvin Pye is the farmer who lives next door to the Morrisons. Calvin is the third in a long line of Pye men who have been verbally and physically abusive to his sons. In fact, Calvin lived with his own father alone for nearly twenty years, taking his abuse silently, without fighting back. When Calvin's own son begins to fight back, Calvin reacts with more abuse, eventually killing his only son. Calvin kills himself when the police come to arrest him for the crime.