What word do we use for a person who acts on behalf of a computer?

Solution 1:

You could perhaps use the word surrogate (an elected substitute), or a synonym of the word.

  • proxy - a person authorized to act as the deputy or substitute for another.
  • intermediary - a person acting between persons, parties, etc.; serving as an intermediate agent
  • delegate - a person designated to act for or represent another or others
  • representative - a person or thing that represents another or others.