auditor vs attender

auditor and attender both are nouns.

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

As nouns, auditor and attender are synonyms defined as:

Other synonyms of auditor include hearer, listener.

auditor (noun)	attender (noun)
a qualified accountant who inspects the accounting records and practices of a business or other organization	someone who waits on or tends to or attends to the needs of another
someone who listens attentively	a person who is present and participates in a meeting
a student who attends a course but does not take it for credit	someone who listens attentively