author vs shaper

author and shaper both are nouns.

Word	Noun	Adjective	Verb	Adverb
author	Yes	No	Yes	No
shaper	Yes	No	No	No

As nouns, shaper is a hypernym of author; that is, shaper is a word with a broader meaning than author:

Other hypernyms of author include maker.

author (noun)	shaper (noun)
writes (books or stories or articles or the like) professionally (for pay)	a machine tool for shaping metal or wood
someone who originates or causes or initiates something	a person who makes things

author (verb)	shaper (verb)
be the author of