He says negative actions occur "when a person intentionally inflicts injury or discomfort upon another person, through physical contact, through words or in other ways." Collective bullying is known as mobbing, and can include any of the individual types of bullying.Bullying is the use of force, threat, or coercion to abuse, intimidate, or aggressively dominate others. One essential prerequisite is the perception, by the bully or by others, of an imbalance of social or physical power, which distinguishes bullying from conflict.Behaviors used to assert such domination can include verbal harassment or threat, physical assault or coercion, and such acts may be directed repeatedly towards particular targets.When it occurs as emotional abuse in the workplace, such as "ganging up" by co-workers, subordinates or superiors, to force someone out of the workplace through rumor, innuendo, intimidation, humiliation, discrediting, and isolation, it is also referred to as malicious, nonsexual, nonracial / racial, general harassment.
Psychologist Roy Baumeister asserts that people who are prone to abusive behavior tend to have inflated but fragile egos.
Cyber bullying is the use of technology to harass, threaten, embarrass, or target another person.