To dream of seeing one indicates a need to pay closer attention to your general personal in- terests; to dream of being one predicts an unexpected delay in your current undertakings.
Dreams of editing or an editor signify your desire for perfection and/or that you may be second guessing yourself. Alternatively, dreams of an editor signify that you are taking responsibility for the power of your words, and you are coming into a position of power regarding the role you play in influencing people with your words.
See Critic, Word and Gate Keeper.... edit / editor dream meaning