Report confidentially to appropiate TEACHER OR PRINCIPAL OR SOMEONE YOU TRUST anything that doesnt seem right - example: a student by themselves all the time, mob bullying of any kind and ANY BULLYING BEHAVIOUR THAT IS CONTINUOUS AND HAS THE INTENT TO CAUSE HARM
Be involved with a community organisations that seeks to be involved in an anti-bullying message in your area
Most important show leadership - be a person that can change society by becoming a more tolerant and compassionate human that has empathy for your fellow student who may not be as confident as yourself