Synonyms and related words :
big person, broad-gauge person, broad-minded, ecumenicist, free lance, free spirit, free trader, freethinker, freethinking, independent, individualist, isolationist, latitudinarian, liberal, liberalist, liberalistic, libertine, mugwump, neutral, nonpartisan, open-minded, rugged individualist, third force, third world, tolerant, unbigoted