bandit, criminal, fugitive, gangster, lawbreaker, offender, renegade, robber, villain, wrongdoer
thug - hooligan - hoodlum - gangster - brute - bully - delinquent - goon - rowdy - tough - troublemaker - scoundrel - villain - miscreant - knave - rogue - ruff - desperado - outlaw - bandit - marauder - cutthroat - blackguard - scallywag - scamp - rascal - ne'er-do-well - cad - lout - roughneck - brawler - tough guy - enforcer - heavy - muscle - mobster - crook - criminal - felon - malefactor - offender - lawbreaker - wrongdoer - reprobate - sinner - evildoer - transgressor
A ruffian is a person who is rough, violent, and aggressive, often engaging in criminal activities. They typically show little regard for the law or the well-being of others, using force and intimidation to get what they want. Ruffians are often involved in street fights, robberies, and other unlawful behaviors, making them dangerous and feared individuals in their communities.