Sultan ul Faqr is the Saint who has accomplished Faqr in its entirety. Faqr is a special spiritual rank and a marvel which has nothing in its comparison.
Intercession is a position and honour of supplication by Allah to His special ones that they will intercede for sinful servants.
Ghaus al-Azam Shaikh Abdul Qadir Jilani is the most accomplished and exalted saint. He is the beloved of Allah and holy Prophet (pbuh).
Faith is incomplete without Divine love for Prophet Mohammad (pbuh). Sufism begins with faith and ends in Divine love.