Which is not a typical characteristic of bullying?

a. The behavior is intended to harm or disturb a less powerful victim, one who is smaller, weaker, or unable to defend himself.
b. The behavior occurs repeatedly over a period of time.
c. The bully is acting out of jealousy.
d. The bully chooses a time when winning is almost certain, such as when there is no one present with the authority to intervene.
e. The bully often has one or more allies present.

c