Original: Whether Vanunu was truly involved in espionage , per se , is debated : Vanunu and his supporters claim that he should be regarded as a whistle-blower ( someone who was exposing a secretive and illegal practice ) , while his opponents see him as a traitor and his divulgence of information as aiding enemies of the Israeli state .
Simplified: Whether Vanunu was technically involved in espionage is debated : Vanunu and his supporters say that he should be called as a whistle-blower ( someone who was exposing something secret and illegal ) , while his opponents think that he is a traitor and that what he did helped enemies of Israel .