Synonyms to matron of honor

best man, acolyte, adjutant, agent, aid, aide, aide-de-camp, aider, assistant, attendant, auxiliary, bridemaiden, bridesmaid, bridesman, coadjutant, coadjutor, coadjutress, coadjutrix, deputy, executive officer, groomsman, help, helper, helpmate, helpmeet, lieutenant, paranymph, paraprofessional, second, servant, sideman, supporting actor, supporting instrumentalist, usher, wedding attendant, wedding party, Maecenas, abettor, admirer, advocate, aficionado, alter ego, alternate, amicus curiae, angel, apologist, attorney, backer, backup, backup man, buff, champion, defender, dependence, dummy, encourager, endorser, exponent, fan, favorer, figurehead, friend at court, locum, locum tenens, lover, mainstay, maintainer, partisan, patron, pinch hitter, pleader, procurator, promoter, protagon