challenger Antonyms

workman sider shrike shipmate senator sectary sectarian seconder schoolmate schoolfellow schemer salvor salvationist representative sister SPAR spokesman workfellow whitewasher warrantor vicegerent upholder underwriter translator sympathizer suspensor supporter support stifler sponsor reliever reformer paranymph paraclete paladin pal outfit opinionist offerer nuncio nominator mucker missionary messmate member pard partisan partner protector protagonist