Áqá Muḥammad-i-Qá'iní

Áqá Muḥammad-i-Qá'iní (also known as Fadil-i-Qa'ini ("Learned One of Qa'ín") and surnamed Nabíl-i-Akbar (Arabic: نبيل الأكبر); ‎ 1829–1892) was a distinguished Baháʼí from the town of Qá'in. He is one of 19 Apostles of Baháʼu'lláh, and referred to by ʻAbdu'l-Bahá as a Hand of the Cause of God.

In the abjad notation, the name "Muhammad" has the same numerical value as "Nabíl".

Nabíl-i-Akbar was the recipient of a Tablet of Wisdom from Baháʼu'lláh.

ʻAbdu'l-Bahá recounted that Aqa Muhammad-i-Qa'ini, later titled Nabil-i-Akbar, was a distinguished disciple of the renowned Mujtahid Shaykh Murtada Ansari in Najaf. Nabil was uniquely gifted and achieved the rare honor of being made a mujtahid by Shaykh Murtada, who seldom conferred that title. Nabil-i-Akbar excelled not only in theology but also in the humanities, philosophy, mysticism, and Shaykhi teachings, making him a true polymath. Upon recognizing the divine truth, he was spiritually transformed, becoming passionately devoted and ablaze with divine love.