At the time of the ascension of Bahá'u'lláh, Mirza Aqa Jan had already been expelled

At the time of the ascension of Bahá'u'lláh, Mirza Aqa Jan had already been expelled from the Faith and was unwelcome in Bahá'í circles. He lived a life of general misery and disgrace.

(Memories of Nine Years in Akka by Youness Khan Afroukhteh, Oxford: George Ronald, 1952/2003)

https://bahai-library.com/afroukhteh_nine_years_akka