to speak or write in favor of; support or urge by argument; recommend publicly:He advocated higher salaries for teachers.
a person who speaks or writes in support or defense of a person, cause, etc. (usually fol. by of):an advocate of peace.
a person who pleads for or in behalf of another; intercessor.
Lawa person who pleads the cause of another in a court of law.
Latin advocātus legal counselor (origin, originally past participle of advocāre to call to one's aid), equivalent. to ad-ad- + voc- call (akin to vōxvoice) + -ātus -ate1; replacing Middle English avocat
2.See corresponding entry in Unabridged champion, proponent, backer.