A rude person is spontaneously inconsiderate, and is not trying to hurt you.
A mean person is spontaneously trying to hurt you.
A bully is purposefully trying to hurt you, over and over, and you haven't done anything back to them.
A conflict is when both people have been hurt by the other person.
What is Bullying
https://www.stopbullying.gov/bullying/what-is-bullying
Effects of Bullying
https://www.stopbullying.gov/bullying/effects
Stop Bullying on the Spot
https://www.stopbullying.gov/prevention/on-the-spot
Videos for Dealing with Bullies
https://www.stopbullying.gov/resources/kids/kid-videos
Cyberbullying
https://www.stopbullying.gov/cyberbullying/how-to-report
Are you a Cyberbully? Take the Quiz
http://stopcyberbullying.org/tweens/are_you_a_cyberbully.html
What Kids Can Do to stop Bullying
https://www.stopbullying.gov/resources/kids
Parent Bullying Resources
Bullying Advice for Parents
https://www.stopbullying.gov/resources/what-you-can-do#parents
How Parents can Prevent Bullying
https://www.stopbullying.gov/prevention/how-to-prevent-bullying