He stood half-way along the neck and gazed at the savages intently. Freed by the paint, they had tied their hair back and were more comfortable than he was. Ralph made a resolution to tie his own back afterwards. Indeed he felt like telling them to wait and doing it there and then; but that was impossible. The savages sniggered a bit and one gestured at Ralph with his spear. High above, Roger took his hands off the lever and leaned out to see what was going on. The boys on the neck stood in a pool of their own shadow, diminished to shaggy heads. Piggy crouched, his back shapeless as a sack.
Which word from the passage above best illustrates how the members of Jack's tribe have changed?