Ecumenism, Christian Origins, and the Practice of Communion

In the last thirty years, ecumenical discussion of every kind has proliferated. During that time – broadly speaking, since the Second Vatican Council (1962–5) – the theology of koinonia/ communio (to set the Greek and Latin terms side by side) has all but swept the board. Here is a way of presenting the Christian faith that takes in a fundamental concern with God as Trinity (koinonia in God), with human beings as made for koinonia, with ecclesiology and the doctrine of salvation (koinonia with God and with other human beings), and ethics (living in and for koinonia). It engages with much wider debates in society about community, about what it means to be a person, and about human relations. The theology of koinonia is a theo-logy (a study in the working, in the 'logic', of God) which comes to a focus in study of that unique community, or community of communities, which is the Christian Church. This ecclesiological focus is, perhaps, why it has been so widely developed and so much drawn upon within the ecumenical movement.

Within the ecumenical movement, with Roman Catholics¹ and Orthodox as active participants, Christians have been forced to re¯ect in new and creative ways on what it means to

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