bowman vs expert

bowman and expert both are nouns.

Word	Noun	Adjective	Verb	Adverb
bowman	Yes	No	No	No
expert	Yes	Yes	No	No

As nouns, expert is a hypernym of bowman; that is, expert is a word with a broader meaning than bowman:

bowman (noun)	expert (noun)
a person who is expert in the use of a bow and arrow	a person with special knowledge or ability who performs skillfully

bowman (adjective)	expert (adjective)
	having or showing knowledge and skill and aptitude
	of or relating to or requiring special knowledge to be understood