hoodlum
https://gyazo.com/9a7d36ba0748081afef8886ecc8f69c8
noun
a person who engages in crime and violence; a hooligan or gangster:
犯罪者, ちんぴら; 乱暴でうるさい若者, ワル
e.g. they were the “professional” gangsters of New York, hoodlums and racketeers
e.g. a bunch of hoodlums just looking for trouble.
ORIGIN
late 19th century: of unknown origin.