Synonyms for protector

champion, defender, patron, sponsor, safeguard, benefactor, supporter, advocate, partisan, guardian angel, guard, shield, bulwark; guide, philosopher, friend; Maecenas, abettor, savior, stand-by, promoter, mediator, friend at court, counsel, second, backer, upholder, sympathizer, tower of strength in time of need, tutelary, genius, big brother*, big sister*, angel*, cover*, front*; see also guardian.