Querier and Utterer

Querier noun - Someone who asks a question.

Utterer and querier are semantically related. In some cases you can use "Utterer" instead a noun "Querier".

Utterer noun - Someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous).

Querier and utterer are semantically related. Sometimes you can replace term "Querier" with "Utterer", this nouns are similar.