Someone whose job is to speak for someone's case in a court of law; a counsel.

Anyone who argues the case of another; an intercessor.

A person who speaks in support of something, or someone.

A person who supports others to make their voices heard, or ideally for them to speak up for themselves.

(transitive) To plead in favour of; to defend by argument, before a tribunal or the public; to support, vindicate, or recommend publicly.

(transitive) To encourage support for something.

(intransitive, with for) To engage in advocacy.

(Scotland, law) To appeal from an inferior court to the Court of Session.

(Scotland, law, in higher courts) To call a case before itself for decision.