offender, wrongdoer - a person who transgresses moral or civil law

accessary, accessory - someone who helps another person commit a crime

arsonist, firebug, incendiary - a criminal who illegally sets fire to property

blackmailer, extortioner, extortionist - a criminal who extorts money from someone by threatening to expose embarrassing information about them

bootlegger, moonshiner - someone who makes or sells illegal liquor

briber, suborner - someone who pays (or otherwise incites) you to commit a wrongful act

coconspirator, conspirator, machinator, plotter - a member of a conspiracy

desperado, desperate criminal - a bold outlaw (especially on the American frontier)

fugitive from justice, fugitive - someone who is sought by law officers; someone trying to elude justice

gangster, mobster - a criminal who is a member of gang

highbinder - a corrupt politician

highjacker, hijacker - someone who uses force to take over a vehicle (especially an airplane) in order to reach an alternative destination

hood, hoodlum, punk, strong-armer, thug, toughie, goon, tough - an aggressive and violent young criminal

abductor, kidnapper, snatcher - someone who unlawfully seizes and detains a victim (usually for ransom)

mafioso - a member of the Mafia crime syndicate in the United States

gangster's moll, gun moll, moll - the girl friend of a gangster

liquidator, manslayer, murderer - a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)

parolee, probationer - someone released on probation or on parole

drug dealer, drug peddler, drug trafficker, peddler, pusher - an unlicensed dealer in illegal drugs

racketeer - some who commits crimes for profit (especially one who obtains money by fraud or extortion)

raper, rapist - someone who forces another to have sexual intercourse

habitual criminal, recidivist, repeater - someone who is repeatedly arrested for criminal behavior (especially for the same criminal behavior)

scofflaw - one who habitually ignores the law and does not answer court summonses

contrabandist, moon curser, moon-curser, runner, smuggler - someone who imports or exports without paying duties

stealer, thief - a criminal who takes property belonging to someone else with the intention of keeping it or selling it

traitor, treasonist - someone who betrays his country by committing treason

law offender, lawbreaker, violator - someone who violates the law

Billie the Kid, Bonney, William H. Bonney - United States outlaw who was said to have killed 21 men (1859-1881)

James, Jesse James - United States outlaw who fought as a Confederate soldier and later led a band of outlaws that robbed trains and banks in the West until he was murdered by a member of his own gang (1847-1882)

MacGregor, Rob Roy, Robert MacGregor - Scottish clan leader and outlaw who was the subject of a 1817 novel by Sir Walter Scott (1671-1734)

infection - the pathological state resulting from the invasion of the body by pathogenic microorganisms