Noun
1. someone who mediates between speakers of different languages
2. someone who uses art to represent something;
"his paintings reveal a sensitive interpreter of nature""she was famous as an interpreter of Shakespearean roles"3. an advocate who represents someone else's policy or purpose;
"the meeting was attended by spokespersons for all the major organs of government"4. (computer science) a program that translates and executes source language statements one line at a time