Synonyms and related words :
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,