dervish

dervish
/ˈdɜ:vɪʃ; `dəvɪʃ/ n
member of a Muslim religious order （伊斯兰教的）苦行僧人
    dancing dervishes, ie those who take part in whirling dances 跳旋转舞蹈的苦行僧人.

牛津英汉双解词典