Mufti Abdurragmaan completed the memorisation of the Qurʾān under Shaykh Ismail Londt at the Dār Ubaiy Institute in 2000. He went on to graduate from the Dār al-ʿUlūm al-ʿArabiyyah al-Islāmiyyah (DUAI) in Strand in 2006, benefiting greatly from its lecturers, particularly its founder and former principal, the late Mufti Ṭāhā Karaan.
After graduating, Mufti Abdurragmaan served as a lecturer at the same institute from 2006 to 2015. In 2009, he established Dar al-Turāth al-Islāmi (DTI), where he continues to serve.
In 2011, Mufti Abdurragmaan co-founded the Maḥabbah Foundation. In 2013, the late Mufti Yusuf Karaan invited him to join the Fatwā Committee of the Muslim Judicial Council (MJC) of South Africa. He also served as Imām at Masjid Raghmah in Garlandale from 2010 to 2017 and at Masjid Ghiedmah al-Islām from 2018 to 2025. He served as Mufti of the MJC from 2021 to 2026. In addition, he has taught on several online platforms, including SeekersGuidance, Siddeeqa Institute, and Muslims Connected.
Mufti Abdurragmaan has received ijāzah ʿāmmah from various luminaries, including Ḥabīb ʿUmar bin Ḥafīẓ, who has had a significant impact on him and changed his relationship with Allah; Mufti Yusuf Karaan, former Mufti of the MJC; Ḥabīb ʿAli al-Mashhūr, former Mufti of Tarim; Ḥabīb ʿUmar al-Jaylāni, former Shāfiʿī Mufti of Makkah; Ḥabīb Ahmad bin Abi Bakr al-Ḥabshi; Shaykh Maḥmūd Saʿīd Mamdūh; Maulana ʿAbdul Ḥafīẓ al-Makki; Shaykh Ala al-Din al-Afghāni; and Shaykh Yaḥya al-Ghawthāni, among others.