querier vs asker

querier and asker both are nouns.

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

As nouns, querier and asker are synonyms defined as:

Other synonyms of querier include enquirer, inquirer, questioner.

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