inquirer vs asker

inquirer and asker both are nouns.

Word	Noun	Adjective	Verb	Adverb
inquirer	Yes	No	No	No
asker	Yes	No	No	No

As nouns, inquirer and asker are synonyms defined as:

Other synonyms of inquirer include enquirer, querier, questioner.

inquirer (noun)	asker (noun)
someone who asks a question	someone who asks a question