1a person or thing that moves:she’s a lovely moverjob movers
chiefly North American a person whose job is to remove and transport furniture from one house to another:he watched movers load the remaining boxes on an 18-wheel van
2a person who makes a formal proposal at a meeting or in an assembly:movers and seconders rise and give speeches
a person who instigates or organizes something:she was the key mover in making this successful conference happen
mover and shaker
a powerful person who initiates events and influences people:a newspaper profile portrayed the man as a mover and shaker on Wall Street
[from movers and shakers, a phrase from O'Shaughnessy's Music & Moonlight (1874)]