	Boone was later transferred to the capital, Monrovia, where he opened a day school. He also became the pastor of Providence Baptist Church, Liberia's first church, which was founded in 1822 by Lott Carey. Boone also served as Secretary of the American Legation when the acting secretary took a furlough to America. He put his medical missionary work on hold at that time but returned to medical work following the secretary's return.