When it comes to describing someone who tells stories or shares information, there are many different synonyms available. Some options include narrator, storyteller, raconteur, chronicler, orator, speaker, and commentator. Each of these words has a slightly different connotation, but they all share the common thread of conveying information in an engaging and compelling way. Additionally, some other synonyms for the word "teller" include messenger, relator, announcer, and speechmaker. No matter which synonym you choose, the important thing is to find a word that accurately reflects the person's style and approach to sharing information, whether it's through written words or spoken language.