A former Sydney preacher who is now a senior figure of notorious terror group Jabhat al-Nusra has spoken out for the first time about why he joined the jihadi cause . Abu Sulayman Muhajir fled to Syria at least two years ago and has found himself added to the most wanted list of Western intelligence agencies . He started his association with extremist organisations when he became a mediator between two warring groups , Jabhat al-Nusra and Islamic State ( IS ) . Scroll down for video . Former Sydney preacher Abu Sulayman Muhajir is a senior figure of al-Qaeda off-shoot Jabhat al-Nusra . But eventually he joined Jabhat al-Nusra . Speaking from Syria 's frontlines , Abu Sulayman warned Western forces to leave the Middle East . 'The choice is simple… leave our lands , stop interfering in our affairs or face perpetual war , ' the Egyptian-Australian told SBS 's Dateline from a secret location . 'They [ the West ] rob our resources , they back tyrants , they force regime change , and they economically enslave our nations . ' Abu Sulayman is best known for spreading his hate speeches throughout Sydney 's west , most notably at the Al Risalah centre in Bankstown ( above ) Abu Sulayman has spoken out for the first time about why he joined the jihadi cause after the death of Islamic State fighter Suhan Rahman , from Melbourne . Abu Sulayman - who is also known as Mostafa ­Mahamed - is best known for his hate speeches spouted across Sydney 's west . In one speech at Bankstown 's Al-Risalah centre , the former preacher urged young men to spill their 'blood ' in Syria , news.com.au reported . He has also been threatened by fellow Australian Khaled Sharrouf who fights with Islamic State . During the SBS interview , the senior leader said IS worked at 'delegitimising the rest of the Muslim community ' by naming themselves as the 'exclusive bearers of Islam ' . On the other hand , he said Jabhat al-Nusra wanted to 'restore the right of the Muslim people to choose their leaders independently ' . They are one of the major forces battling the regime headed up by Syrian president Bashar al-Assad . Abu Sulayaman said they also wanted to established a governing system based on Islam known as 'shura ' . Shura is the Arabic word for consultation , which according to the Koran is a beneficial practice . After Rahman 's death , his wife - known as Umm Jihad on social media - tweeted a photo of his dead body . Rahman was also friends with Mohamed Elomar - a Sydney boxer who fled to Syria to fight with Islamic State . Last year , Elomar was pictured on social media holding up severed heads and smiling at the camera . 'Every society needs a penal code ... we have a penal code in which punishments are appropriate to the crimes committed and act as a deterrent to others , ' the extremist group leader said . 'Islam to us is whole and complete and that does include corporal and capital punishment . ' It comes as it is revealed the latest Australian to die in the conflict , Suhan Rahman , was a convicted criminal before her fled to the Middle East to fight for IS . New details have emerged that Suhan Rahman was sentenced to 80 hours of community service for attempting to pervert the course of justice and witness intimidation in 2013 , according to The Australian . The 23-year-old , who was previously pictured with Sydney boxer-turned-terrorist Mohamed Elomar , also faced a number of charges including assault and unlicensed driving , where he was hit with a $ 1000 fine . After his death , Rahman 's wife - known as Umm Jihad on Twitter - tweeted a picture of his dead body .
Abu Sulayman Muhajir is a senior figure of terror group Jabhat al-Nusra . He is a former Sydney preacher who was a mediator for two rival groups . Eventually Abu Sulayman joined Jabhat al-Nusra instead of Islamic State . Comment: This comes after the recent death of Melbourne jihadist Suhan Rahman .