auditor vs beholder

auditor and beholder both are nouns.

Word	Noun	Adjective	Verb	Adverb
auditor	Yes	No	No	No
beholder	Yes	No	No	No

As nouns, beholder is a hypernym of auditor; that is, beholder is a word with a broader meaning than auditor:

auditor: someone who listens attentively
beholder: a person who becomes aware (of things or events) through the senses

Other hypernyms of auditor include observer, perceiver, percipient.

auditor (noun)	beholder (noun)
a qualified accountant who inspects the accounting records and practices of a business or other organization	a person who becomes aware (of things or events) through the senses
someone who listens attentively
a student who attends a course but does not take it for credit