When trying to decide about something, it is always advisable to consult your parents. In this case, Jasper should consult his parents on trying to decide what to do about the friend who is spreading rumors about him.
If jasper talk to a mutual friend or a friend who spread the rumor, it would most likely resulted In a confrontation that might lead to violence, and consulting to a teacher could create a risk that either one or both of them to be suspended. Because of this, the best course of action for Jasper is to consult his parents on the next step that he should do.
Basically the author is saying that to achieve the potential this generation has, we need to influence the world and take up challenges in a positive way. <span />