miscreant

[1]

reprobate , villain , wretch , mischief-maker , scamp , rascal , criminal , evil-doer , felon , malefactor , rogue , reprobate , scoundrel , wrongdoer , good-for-nothing , ne'er-do-well , blackguard , hooligan , ruffian , hoodlum , thug , rowdy , (Archaic) knave , caitiff , varlet , rapscallion , (Colloq) crook , roughneck , scallywag/scalawag , (Slang) hood , (Brit) mug , rough , (Australian) larrikin , (US) baddy , bad actor

adj.

[1]	villainous , wretched , mischievous , rascally , criminal , felonious , corrupt , malefic , malevolent , evil , depraved , base , nefarious , iniquitous , vicious , unprincipled , ne'er-do-well , reprobate , scoundrelly , wicked