an armed robber, especially one who attacks travellers

thief

a member of a gang of armed criminals

person involved in illegal activities

a dangerous criminal

crook

a person shouting, fighting or being rude in the streets or other public places

hoodlum

(in olden times) a person punished by being placed outside the protection of the law; to make (something) illegal; ban (it) officially

person who is running from the law

(GB in the 1970's) describing young people who deliberately shock society through their clothes, language, pop music etc

hoodlum

a rude and violent young man

hoodlum