translator — Also, translater. a person who translates.
artist — An artist is someone who draws or paints pictures or creates sculptures as a job or a hobby.
commentator — A commentator is a broadcaster who gives a radio or television commentary on an event.
editor — a person having managerial and sometimes policy-making responsibility related to the writing, compilation, and revision of content for a publishing firm or for a newspaper, magazine, or other publication: She was offered a managing editor position at a small press.
biographer — Someone's biographer is a person who writes an account of their life.
critic — A critic is a person who writes about and expresses opinions about things such as books, films, music, or art.
decoder — A decoder is a device used to decode messages or signals sent in code, for example the television signals from a satellite.
delegate — A delegate is a person who is chosen to vote or make decisions on behalf of a group of other people, especially at a conference or a meeting.
guide — to assist (a person) to travel through, or reach a destination in, an unfamiliar area, as by accompanying or giving directions to the person: He guided us through the forest.
professor — a teacher of the highest academic rank in a college or university, who has been awarded the title Professor in a particular branch of learning; a full professor: a professor of Spanish literature.