They could give you ideas or help in starting your own group. Most bullies are stronger or bigger than their victims. If you fight back, you could make the situation worse, get hurt, or be blamed for starting the trouble. Try not to show a strong reaction . Try not to show that you are upset or angry.
Bullies love to get a reaction - it's 'fun'.
If you can keep calm and hide your emotions, they might get bored and leave you alone. Make bullies repeat what they say . Sometimes asking bullies to repeat whatever they've said can take the wind out of their sails. Often bullies are not brave enough to repeat the remark exactly so they tone it down. If they repeat it, you will have made the bully do something they hadn't planned on and this gives you some control of the situation.