One that is exceptionally, often excessively industrious or zealous:
The definition of a go getter is a person who is ambitious and who isn't afraid to ask for and pursue what he wants.
One that sets something in motion or initiates something:
One who does something:
A wire carrying an electric current
A matter that relates to or affects one:
Find another word for dynamo. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for dynamo, like: eager beaver, go-getter, generator, hustler, mover, doer, activist, live wire, concern, and alternator.