People causing problems
1.A maniac has an abnormally strong desire for or interest in something. (e.g. a car maniac)
2.A juvenile delinquent is a young criminal.
3.A racist regards the other races as inferior to his own.
4.A bully uses his strength to hurt the weaker people and make them afraid.
5.A drug addict takes heroine or cocaine.
6.A hooligan is a noisy, rough person who causes trouble by fighting or breaking things.
7.A rascal is a man or child who does bad or dishonest things.
8.A traunt is a child who stays away from school.
9.A gangster is a member of an organized group of violent criminals.
10.An alcoholic cannot stop the habit of drinking too much wine, beer, whisky or brandy.