Synonyms to understudy

act for, advance, answer for, appear for, assist, back up, be instrumental, change places with, commission, crowd out, cut out, deputize, displace, double for, facilitate, fill in for, forward, front for, ghost, ghostwrite, go between, mediate, minister to, pinch-hit, pinch-hit for, promote, relieve, replace, represent, serve, speak for, spell, spell off, stand in for, subrogate, subserve, substitute for, succeed, supersede, supplant, swap places with, understudy for, advocate, Maecenas, abet, abettor, acquaintance, admirer, advise, aficionado, agent, aid and abet, allege in support, alpenstock, alter ego, alternate, amicus curiae, angel, answer, apologete, apologist, apologizer, argue for, arm, assert, athletic supporter, attorney, attorney-at-law, back, backbone, backer, backing, backstop, backup, backup man, bandeau, barrister, barrister-at-law, bearer, best friend, blandish, boost, bosom friend, bra, brace, bracer, bracket, brassiere, brief, brother, buff, buttress, cajole, call on, call upon, cane, carrier, casual acquaintance, cervix, champion, close acquaintance, close friend, coach,