Lord of the flies Jack called some of the boys names like "fatty", "sissy", and "crybaby”. Why does Jack do this? Why does it seem that boys are mean to each other? What purpose does it serve?​

It gives examples on how Jack and the boys personalities, characteristics, etc. are.

Hope this helps.

To make them tougher so they will do things and not be afraid of the " monster".  The boys don't really care for each other they just wanted to survive. But they know that they have to do things to survive like make sure the fire is still burning and such

Explanation:

to save the day, harry must get past a scary three-headed guard dog.

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