THESAURUS
confidant
Dutch uncle, Polonius, acquaintance, admonisher, adviser, advocate, alter ego, amigo, backer, backseat driver, best friend, bosom friend, brother, buttinsky, casual acquaintance, close acquaintance, close friend, confidante, consultant, counsel, counselor, expert, familiar, favorer, fellow, fellow creature, fellowman, fidus Achates, friend, guide, inseparable friend, instructor, intimate, kibitzer, lover, man Friday, mate, meddler, mentor, monitor, neighbor, nestor, orienter, other self, partisan, pickup, preceptist, repository, right hand, right-hand man, second self, strong right hand, supporter, sympathizer, teacher, well-wisher
ROGET THESAURUS
confidant
Auxiliary
N
auxiliary, recruit, assistant, adjuvant, adjutant, ayudante, coaid, adjunct, help, helper, help mate, helping hand, midwife, colleague, partner, mate, confrere, cooperator, coadjutor, coadjutrix, collaborator, ally, friend,
confidant, fidus Achates, pal, buddy, alter ego, confederate, accomplice, complice, accessory, accessory after the fact, particeps criminis, socius criminis, aide-de-camp, secretary, clerk, associate, marshal, right-hand, right-hand man, Friday, girl Friday, man Friday, gopher, gofer, candle- holder, bottle-holder, handmaid, servant, puppet, cat's-paw, jackal, tool, dupe, stooge, ame damnee, satellite, adherent, votary, sectarian, secretary, seconder, backer, upholder, abettor, advocate, partisan, champion, patron, friend at court, mediator, angel (theater, entertainment), friend in need, Jack at a pinch, deus ex machina, guardian angel, tutelary genius.