Arba'in March is the largest annual peaceful gathering in the world that people voluntarily organize to symbolize the eternal nature of Husayn’s movement and to show they stand for freedom and human dignity.
Moukeb al-Qasim ibn Hasan is a non-profit non-governmental organization which is located in the Hamedan province, Iran on the way between Karbala and Mashhad, Tehran and Qom, and voluntarily serves the participants in the Arba'in March.
The timeless legacy of Imam Husayn is compassion and kindness. Moukeb volunteers with their various abilities create a friendly community together and for the rest of the year, they help the poor and have Voluntary activities and they have human rights, social and environmental concerns.