allegorist, annotator, cicerone, clarifier, commentator, critic, cryptanalyst, cryptographer, cryptologist, decoder, definer, demonstrator, demythologizer, dialectician, diaskeuast, dragoman, editor, emendator, emender, etymologer, etymologist, euhemerist, exegesist, exegete, exegetist, explainer, explicator, exponent, expositor, expounder, glossarist, glossographer, go-between, grammarian, grammaticaster, grammatist, guide, hermeneut, interpreter, lexicologist, linguist, linguistic scholar, linguistic scientist, linguistician, metaphrast, oneirocritic, orthoepist, paleographer, paraphrast, philologaster, philologer, philologian, philologist, phonemicist, phonetician, phoneticist, phonologist, scholiast, semanticist, semasiologist, textual critic, translator