"shaker" in the noun sense
1. shaker, mover and shaker
a person who wields power and influence
"a shaker of traditional beliefs"
"movers and shakers in the business world"
a member of Christian group practicing celibacy and communal living and common possession of property and separation from the world
a container in which something can be shaken
Source: WordNet® (An amazing lexical database of English)
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