A person who supports, promotes, advocates or champions a cause, movement, or political party; an adherent.

plural of supporter

(transitive) To keep from falling. / (transitive) To answer questions and resolve problems regarding something sold. / (transitive) To back a cause, party, etc., mentally or with concrete aid.

(sometimes attributive) Something which supports. / Financial or other help. / Answers to questions and resolution of problems regarding something sold.

Held in position, especially from below. / Furnished with corroborating evidence. / Helped or aided. / Having supporters.

simple past tense and past participle of support

That supports.

present participle of support

That which supports something else; a support.

plural of support