Complex sentence: In "A Lesson Before Dying", Grant is the only educated black man in the area and the only member of the black community to ever been free of oppression, because of this he yearns to leave the disparaging situation he is in.
Split into simpler sentences: In "A Lesson Before Dying", Grant is the only educated black man in the area and the only member of the black community to ever have been free of oppression. Because of this, he yearns to leave the disparaging situation he is in.