Kammala jumla mai zuwa: Bayan rugujewar ikon Umayyad a lardunan gabashin Khalifanci sakamakon mutuwar Khalifa Yazid, Abbad ya koma tare da 2,000 daga cikin "mawālī" (ba Larabawa, 'yanci na Musulmi ko abokan ciniki) zuwa Siriya inda suka yi yaƙi tare da sojojin Khalifan Umayyad Marwan I a
Yaƙin Marj Rahit a cikin 684. Akasin haka, Zetterstéen ya yi iƙirarin cewa rundunar Abbad a Marj Rahit ta ƙunshi danginsa. Bayan nasarar da Umayyad ta yi a yaƙin, Abbad ya nemi yin ritaya zuwa garin arewacin Arabiya na Dumat al-Jandal, amma Halifa Abd al-Malik ya aike shi don ya fuskanci kwamandan shugaban 'yan tawayen da ke zaune a Kufa, al-Mukhtar al-Thaqafi a wani lokaci kafin 687. Daga baya Abbad ya shawarci Khalifa al-Walid I () lokacin da wannan ya yi ƙoƙari ba tare da nasara ba don maye gurbin ɗan'uwan halifa Sulayman a layin gadon sarauta tare da ɗan al-Walid Abd al-Aziz. Kodayake Zetterstéen ya yi iƙirarin cewa ba a san ranar mutuwar Abbad ba, masana tarihi I. K. A. Howard da Khurshid Ahmad Fariq sun bayyana cewa Abbad ya mutu a 718/19.