Complex sentence: Leads the pogrom that burns Hashimoto to death when it is learned that he has the plague, kills Yoshida, and almost burns up half the remaining students in order to remove the plague and to increase the food supply available for himself.
Split into simpler sentences: Leads the pogrom that burns Hashimoto to death, kills Yoshida, and almost burns up half the remaining students. He does this to remove the plague and to increase the food supply available for himself.