Original: BahÃ 'u'll Ã h was eventually released from prison but ordered into exile, and' Abdu 'l-Bah Ã then eight joined his father on the journey to Baghdad in the winter (January to April) of 1853.
Simplified: 'Abdu' l-Bah Ã spent most of his adult life in prison or under arrest, because of his father's new religion. BahÃ 'u'll Ã h called him the "Expounder" of his word, meaning that only' Abdu 'l-Bah Ã had the right to say what BahÃ' u'll Ã h's writings mean.