interpreter, translator -- (someone who mediates between speakers of different languages)
interpreter -- (someone who uses art to represent something; "his paintings reveal a sensitive interpreter of nature"; "she was famous as an interpreter of Shakespearean roles")
spokesperson, interpreter, representative, voice -- (an advocate who represents someone else's policy or purpose; "the meeting was attended by spokespersons for all the major organs of government")
interpreter, interpretive program -- ((computer science) a program that translates and executes source language statements one line at a time)