In 1878 he appointed the first trustee of Huqúqu'lláh, who had the responsibility of receiving the Huqúq, as it is known, from the Baháʼís in Iran.
In 1878, he designated the initial trustee for Huqúqu'lláh, whose duty was to receive the Huqúq, which is referred to as such, from the Baháʼís of Iran.