Alert an adult
Make it clear to your friends that you won’t be involved with the bullying behaviour
Never stand by and watch or encourage bullying behaviour
Do not harass, tease or spread gossip about others, this includes being online or not online
Never, forward or respond to photos, comments or messages that may be upsetting or offensive.
Support the person being bullied to ask for help. This may be going to a place with them where they can get help or providing information about where to go to get help.
Report it to someone at school who you trust such as the teacher or a school counsellor. If it is at work then you could report it to the manager or if the bullying is serious, report it to the police.