Answer:
some people are also afraid of interfearing with the situation because of how the bully will react. you will be putting yourself in a position to possibly be bullied as well, so many don't want to become the bully's next enemy. if you are sure you won't get physically hurt by sticking up, telling the bully to firmly stop might work. If you prefer going and telling an adult, that is also a good way to help.
Explanation:
hope that helped! hope you do well! (;