Enquirer

Thesaurus
ask, ask a question, ask about, ask questions, be curious, bring into question, burn with curiosity, demand, dig around for, dig up, gape, gawk, inquire, inquire of, interpellate, interrogate, make inquiry, nose around for, nose out, peer, propose a question, propound a question, put queries, query, question, quiz, require an answer, rubber, rubberneck, seek, stare, want to know