Synonyms:
mover
Meaning: workman employed by a moving company; "the movers were very careful with the grand piano"
Usage examples
As for Pirithous, the prime mover in the attempted outrage, him Hercules meant to leave to his fate.
He is an unmoved mover, like Aristotle's God and like every ideal to which thought or action is directed.
So great was her influence and so persistent was her activity in government affairs, that it is sometimes asserted that she was the prime mover of most of the public acts of both these rulers.