Synonyms for Mover and shaker:

n.

figure, magnate, prime mover, a force to be reckoned with, mogul, leading light, vip, eminence, authority figure. mover and shaker (noun)
shaker, vip.
person (noun)
shaker.

Other synonyms:

leading light, authority figure, prime mover. eminence, mogul. figure. Other relevant words:
vip.