These religious gatherings put particular emphasis on specific attitudes toward basic Islamic teachings and interpretations, including the principle of ukhuwah (brotherhood), dress code, and the prohibition on smoking.
[3][6] Among the activists of Jemaah Tarbiyah, four Muslim students returned from the Islamic University of Madinah, Hilmi Aminuddin, Salim Segaf Aljufri, Abdullah Said Baharmus, and Acep Abdul Syukur, are considered founding fathers (collectively called muassis).
[3] Facing demands of more systematic proselytization and religious education, these four students and their cohorts have articulated a comprehensive program and organized activities, improved with methodology from the Middle East which was often named as usrah system.
[7][8] Usrah system was a training program of Muslim Brotherhood members, and the Tarbiyah movement had directly implemented the methodology.
Activists of the Tarbiyah movement are also considered to be committed toward translation of books written by members of Muslim Brotherhood, including Hassan al-Banna and Sayyid Qutb.
[a] Throughout the 1980s, Jemaah Tarbiyah had managed to grow its influence underground, mostly due to its focus on religious issues and avoided political activism.
[1] Today, activists of Jemaah Tarbiyah have been continuously influencing the creation of new trends in da'wah and Islamic socio-religious movements, including One Day One Juz (ODOJ).