As an appointed Senator of the Republic, he lent public support to anti-fascist initiatives and to organisations combatting antisemitism. In 1993, he accompanied a convoy of goods into the city of Sarajevo while that city was under siege. Edelman strongly condemned international indifference during the Bosnian Genocide in the early 1990s, calling it a disgrace for the rest of Europe and "a delayed victory by Hitler – a victory from the grave."