FTP, name this poet of The Divan of Shams of Tabriz and Spiritual Couplets, a noted Sufi.
In one of this man's poems, the titular structure complains when a pulpit is built for the Prophet, who used to speak atop it, and in another, a corrupt vizier sends scrolls containing different religious decrees to the separated tribes of Christians.  This author of those poems about the "moaning pillar" and the "Jewish king who killed Christians" has notably been translated by Reynold Nicholson and James Redhouse, and he was heavily influenced by the author of The Conference of the Birds, Farid ud-din Attar.  Another work inspired by the author of a namesake Maqalat is a series of short lyrics called ghazals.  FTP, name this poet of The Divan of Shams of Tabriz and Spiritual Couplets, a noted Sufi.
In one of this man's poems, the titular structure complains when a pulpit is built for the Prophet, who used to speak atop it, and in another, a corrupt vizier sends scrolls containing different religious decrees to the separated tribes of Christians.  
Jalal al-Din Rumi or Mawlana Jalal al-Din Muhammad Balkhi