What is another word for "midwife"?

Roget's Thesaurus (1911) lists these synonyms for "midwife": abettor, accessory, accomplice, accoucheur, accoucheuse, adherent, adjunct, adjutant, adjuvant, advocate, after, agency, aid, ally, along, alter, angel, assistance, assistant, associate, auxiliary, backer, candle, champion, clerk, coadjutor, coadjutrix, collaborator, colleague, complice, conducive, confederate, confidant, confrere, cooperator, court, criminal, crook, dint, dupe.