kingmaker
noun /ˈkɪŋmeɪkə(r)/
/ˈkɪŋmeɪkər/
- a person who has a very strong political influence and is able to bring somebody else to power as a leader
能扶植领导人的有影响人物;政界元老 词源used originally with reference to the Earl of Warwick (1428-71), English statesman.