 He became active in pro-Palestinian Lobbying.Kazak was the founder, publisher and co-editor of the Australian Newspaper Free Palestine (1979–90).He was also the publisher and editor of Background Briefing (1987–93), the book The Jerusalem Question (1997), which was translated into Portuguese and reprinted in Brazil, and the author of the book Australia and the Arabs (, written in Arabic) in 2012, which was published by the Arab Center for Research and Policy Studies, in Doha, Qatar.