changeling recourse assistant understudy delegate temporaries pinch-hitter refuge agent auxiliary backup man expedient standby succedaneum procurator temporary reserve vicar backup stand-in Temps substitute sub symbol equivalent supplanter ghost relief proxy successor dummy procurators changelings alternate fill-in deputy locum supply replacement representative ghost writer makeshift surrogate temp double Succedanea resort relay expediency stopgap reliever temporary expedient resource dernier ressort

backup man locum reliever backup stand-in relief fill-in substitute