scalawag

(noun) a white Southerner who supported Reconstruction policies after the American Civil War (usually for self-interest). Synonyms: scallywag.

(noun) a deceitful and unreliable scoundrel. Synonyms: rogue, knave, rascal, rapscallion, scallywag, varlet.

(noun) one who is playfully mischievous. Synonyms: imp, scamp, monkey, rascal, rapscallion, scallywag.