Boanerges, allegorist, annotator, author, book reviewer, chalk talker, cicerone, clarifier, commentator, commenter, critic, cryptanalyst, cryptographer, cryptologist, decoder, definer, demonstrator, demythologizer, descanter, diaskeuast, discourser, disquisitor, dragoman, editor, editorial writer, editorialist, emendator, emender, essayist, euhemerist, exegesist, exegete, exegetist, explainer, explicator, exponent, expounder, glossarist, glossographer, go-between, guide, hermeneut, homilist, interpreter, leader writer, lecturer, lexicographer, metaphrast, monographer, monographist, news analyst, oneirocritic, paraphrast, praelector, preacher, publicist, pulpitarian, pulpiteer, reader, reviewer, scholiast, sermoner, sermonist, sermonizer, textual critic, tractation, translator, writer