christian faith have always be centrifugal , rarely containable , and viscerally cross-cultural . the mission of the Christian Church be therefore expansive , intentionally persuasive , and usually outward-looking . the academic study of this mission be call missiology . often regard in term of its european root -lrb- think University of Edinburgh -rrb- , american divinity school and faculty of missiology have in the last three decade pump out legion of graduate . the International Bulletin of Missionary Research , publish by the high-regarded overseas Ministries Study Center , have emerge as one of the dominant trade journal for this academic study . its page be frequently fill by article , essay , and dissertation synopsis produce by non-western scholar , who increasingly represent the dynamic as well as the demographic center of Christian mission . the monthly Bulletin be edit and produce to a high standard and as make itself a indispensable source for missionary research . one of its most popular feature be entitle ` my pilgrimage in Mission ' , which chronicle change in the enterprise via first-hand account of how live beyond one 's familiar context change a person from the inside out .