3月8∼13日,超過千名從事宣教與佈道工作的基督徒來到非洲坦尚尼亞阿魯沙,參加普世教協(WCC)世界宣教與佈道委員會規劃的世界宣教與福音大會(CWME),與會者更於會議最終日,共同發表了一份名為《對門徒之召喚》(The Arusha Call to Discipleship)的宣言。
CWME每十年舉辦一次,今年主題訂為「與聖靈同行:呼喚革新的門徒」(Moving in the Spirit: Called to Transforming Discipleship),期待能為當今複雜的世界,提供預言信息。WCC世界宣教與佈道委員會主持人、正教會主教哥利路斯(Mor Geevarghese Coorilos)受訪時更直言,宣教即是要「翻轉世界」。
12 March 2018, Arusha, Tanzania: Missional Formation Plenary. From 8-13 March 2018, the World Council of Churches organizes the Conference on World Mission and Evangelism in Arusha, Tanzania. The conference is themed "Moving in the Spirit: Called to Transforming Discipleship", and is part of a long tradition of similar conferences, organized every decade.