Assuming that the book is 'Lord of the flies', Jack begins to take on the characteristics of a dictator. He quickly becomes less tolerant of Ralph's position as chief. His priority is to feed his primal need to hunt and kill animals. Jack has a disposition towards violence. He gravitates towards intimidating others and forcing his will over other living things.
Leapfrogging.
Leapfrogging was a military strategy employed by the Allies in the Pacific War against the Axis powers (most notably Japan) during World War II. It entailed bypassing and isolating heavily fortified Japanese positions while preparing to take over strategically important islands.
Look around and ya ya ya ya ya ya ya ya ya ya