What is another word for "jackal"?

Roget's Thesaurus (1911) lists these synonyms for "jackal": abettor, accessory, accomplice, adherent, adjunct, adjutant, adjuvant, advocate, after, against, aid, ally, alter, angel, arm, assistant, associate, auxiliary, back, backer, batman, beat, candle, cater, caterer, champion, clerk, coadjutor, coadjutrix, collaborator, colleague, commissariat, commissary, complice, comprador, confederate, confidant, confrere, cooperator, court.