Question: Who was a famous Persian Sufi who lived in the 11th century in Herat who's works refer to a particularly important group of God's saints?
Sentence (from "Abdal"): Abdāl ("lit": substitutes, but which can also mean "generous" ["karīm"] and "noble" ["sharīf"]) is a term used in Islamic metaphysics and Islamic mysticism, both Sunni and Shiite, to refer to a particularly important group of God's saints.
Relevant evidence: Yes