A division of the Roman Curia that has authority in the matter of preaching the gospel, of establishing the Church in non-Christian countries, and of administering Church missions in territories where there is no properly organized hierarchy.

• 传道总会古罗马元老院的一个分支，负责传授福音、在非基督教的国家中建立教堂、在没有正确组织等级制度的地域领导教堂的传道活动等事务