According the Constitution of the Evangelische Stadtmission in Southern Africa (ESSA), the purpose and objectives of the association and its congregations are de-scribed as follows:
(1) The preaching and teaching of the Word of God according to the scriptures of the Old and New Testament, mainly to the German speaking community.
(2) The unification and incorporation of the believers in local congregations.
(3) The nurturing, discipleship and training of the believers.