Emotionally or physically threatening or intimidating you, threatening to disclose information about you publicly. Humiliating and degrading you, repeatedly putting you down in the attempt to control you into doing something.

A group of persons, usually youths who share  a common identity who generally engage in criminal activity.

This is where someone else is used to carry an offensive weapon such as a knife, or other items such as drugs. 

Exploitation is when someone takes advantage of someone else or a group of others in the attempt to gain something. 

Knife crime is any crime involving a knife or sharp object. This includes: carrying a knife, owning a banned knife, trying to buy a knife if you are under 18, and/or threatening, injuring or fatally wounding someone with a knife.

A person who carries out a harmful, illegal, or immoral act.