Q: It is permissible for mature Muslims from anywhere in the world to join the طالبان even if parents don’t agree? What about Syrian or Palestinian or Kashmiri causes.
A: Refer this to your local ulama and those ulama that are more acquainted with this subject.
And Allah Ta’ala (الله تعالى) knows best.
Mufti Ebrahim Salejee (Isipingo Beach)