Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 4 months ago

If you no way to reach or contact him to seek apology, you should repeatedly pray for him and seek from Allah to forgive him and grant him from His Mercy. 
Wassalam.