1) Amender 2) Editor 1) Commie 2) Communist 
[n] - a Communist who tries to rewrite Marxism to justify a retreat from the revolutionary position
noun a Communist who tries to rewrite Marxism to justify a retreat from the revolutionary position
Originally, it was a reference to the reexamination of the accepted "facts" and interpretations of history, with by a genuine desire to educate and correct history. However, it has become a term used to indicate that the history has been intentionally reinterpreted, to reflect a view that is not accurate in order to support an agenda.