n. 25B6; noun an advocate of children's rights : CHAMPION, upholder, supporter, backer, promoter, proponent, exponent, spokesman, spokeswoman, spokesperson, campaigner, fighter, crusader; propagandist, apostle, apologist; N. Amer. booster.
critic.
25B6; verb heart specialists advocate a diet low in cholesterol : RECOMMEND, prescribe, advise, urge; support, back, favour, uphold, subscribe to, champion, campaign on behalf of, speak for, argue for, lobby for, promote.