Bullying is deliberate or intentional behavior using words or actions, intended to cause fear, intimidation or harm. Bullying includes aggressive and hostile behavior that is intentional and involves an imbalance of power between the bully and the bullied and is behavior that is repeated over time rather than an isolated incident. This behavior may include but is not limited to physical and verbal assaults, nonverbal or emotional threats or intimidation, harassment, social exclusion and isolation, extortion, use of computer or telecommunications to send messages that are embarrassing, slanderous, threatening or intimidating (cyber-bullying). Bullying may also include teasing, put-downs, name calling, rumors, false accusations, and hazing. Bullying based on sex, race, color, religion, national origin, ancestry, creed, pregnancy, marital or parental status, sexual orientation or physical, mental, emotional or learning disability or handicap in its education programs or activities is also prohibited by law and Board policy. In addition, the District prohibits bullying or discrimination on the basis of gender identity and gender expression.