Ajisari

An ajisari is one who arouses others to pray and feast during Ramadan. He goes from house to house, as early as 2:00 AM, beating his kettle drum with a stick and singing (screaming) at the top of his voice. This is purely a religious duty; it is voluntary. Although the ajisari does not expect to be compensated by his fellow believers, he believes ...
Found on http://en.wikipedia.org/wiki/Ajisari
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