Answered by Shaykh Abdurragmaan Khan
Question: Assalam alaykum,
If someone has left Islam can he only repent or does he also have to perform a ritual bath?
Answer: Wa alaykum al-Salam
Shukran for your question.
If it has been confirmed that a Muslim left the fold of Islam and he wishes to embrace Islam once again, it is a prerequisite that he pronounces the testimony of faith – I bear witness that there is no God but Allah and that Muhammad sallaLlahu alayhi wasallam is the final Messenger of Allah.
Performing ghusl is only a requirement for him or her to pray Salah and the like, if they happened to enter a state if janabah (major impurity) during their days of disbelief. [Majmu’]
And Allah knows best
[Shaykh] Abdurragmaan Khan
Shaykh Abdurragmaan received ijazah ’ammah from various luminaries, including but not restricted to: Habib Umar ibn Hafiz—a personality who affected him greatly and who has changed his relationship with Allah, Maulana Yusuf Karaan—the former Mufti of Cape Town; Habib ‘Ali al-Mashhur—the current Mufti of Tarim; Habib ‘Umar al-Jaylani—the Shafi‘i Mufti of Makkah; Sayyid Ahmad bin Abi Bakr al-Hibshi; Habib Kadhim as-Saqqaf; Shaykh Mahmud Sa’id Mamduh; Maulana Abdul Hafiz al-Makki; Shaykh Ala ad-Din al-Afghani; Maulana Fazlur Rahman al-Azami and Shaykh Yahya al-Gawthani amongst others.