The Strugglers for the Unity and Freedom of al-Sham is a terrorist group who in December 2005 claimed responsibility for the assassination of Gebran Tueni and made threats against Detlev Mehlis.[1] It also claimed the responsibility of Pierre Gemayel's assassination in November 2006.
It may or may not have any relationship to Jund al-Sham.
References
Strugglers for the Unity and Freedom of al-Sham Wikipedia(Text) CC BY-SA