A 'mover and shaker' is someone who is influential and makes things happen. The crossword solutions for this term are DOER (4 letters), NABOB (5 letters), PRODUCER (8 letters), SPARKPLUG (9 letters), PATHFINDER (10 letters), and ENTREPRENEUR (12 letters). A DOER is someone who takes action and gets things done. A NABOB is a wealthy and powerful person. A PRODUCER is someone who creates something, such as a movie or a play. A sparkplug is someone who initiates activity and gets people motivated. A PATHFINDER is someone who discovers new ways of doing things. An ENTREPRENEUR is someone who starts a business and takes risks to make it successful.