agent alternate alternative analogy back seat backup cast change changeling company comparison complement copy counterfeit crew deputy double dummy eight eleven equal equivalent ersatz exchange fake fill-in first string first team five ghost ghostwriter humbleness humility imitation inferiority juniority locum tenens lowliness makeshift metaphor metonymy minority next best thing nine personnel phony pinch hitter platoon proxy relief replacement representative reserves ringer rowing crew second fiddle second string second team secondariness secondary servility sign spares squad stand-in string sub subjection subordinacy subordination subservience substituent substitute substitution succedaneum superseder supplanter surrogate symbol synecdoche team token understudy utility player varsity vicar vice-president vice-regent