Synonyms for advocate:
magistrate, cohort, QC, clerk, partisan, circuit judge, pillar, adherent, agent, bailiff, extremist, moderate, ideologue, prosecutor, state attorney, royalist, well-wisher, paralegal, crusader, M'Lud, progressive, renegade, sheriff, law firm, stakeholder, acolyte, notary, empiricist, audience, sympathizer, public prosecutor, custodian, crony, patron, recorder, chief justice, prophet, bench, jurist, abolitionist, subscribe, Attorney General, public defender, lawman, da, declare, following, positivist, pressure group, convert, cheerleader, espouse, existentialist, state's attorney, justice of the peace, sergeant at arms.
Other synonyms and related words:
countenance, counsellor, attorney-at-law, exponent, back, patron, support, defend, backer, proponent, protagonist, abet, uphold, promoter, attorney, champion, pleader, urge, exhort, supporter, espouse, endorse, promote, counselor-at-law.
Sense 1 (noun)
Sense 3 (noun)
person supporting an idea or cause publicly (noun)
recommend, urge, preach.