Comparison: In doing contrast and comparison between Ralph and Jack, we can say both are of same age and had almost same personality and have leadership qualities. Physically both are athletic, fit, strong and in good shape. Jack is attractive charismatic but irritable and manipulative.
Contrast: From the very beginning, Ralph makes plans for his future, whereas Jack symbolizes dictator mind setup as he rules by using violence and fear. Jack’s plans are superficial, but Ralph organizes fun and hunts. Jack is symbolic fascist regime and Hitler, whereas Ralph symbolizes democracies opposite to fascists.