This article begins by providing definitions of spirituality and evangelicalism. It then introduces the multifaceted reality of South African evangelicalism. This is necessary because of the historical complexity of the origins of evangelicalism in South Africa and because of the variety of people, churches and missionary societies which propagated an evangelical approach. It explains the differences between evangelicals and ecumenicals and goes on to distinguish between conservative, moderate and radical evangelicalism It outlines the background to the establishment of the Evangelical Alliance of South Africa (TEASA) and argues that radical evangelicalism, because of its understanding of conversion, salvation and mission, and the actions that issue from these convictions, can make a significant contribution of the transformation of church and society in South Africa today. This article begins by providing definitions of spirituality and evangelicalism. It then introduces the multifaceted reality of South African evangelicalism. This is necessary because of the historical complexity of the origins of evangelicalism in South Africa and because of the variety of people, churches and missionary societies which propagated an evangelical approach. It explains the differences between evangelicals and ecumenicals and goes on to distinguish between conservative, moderate and radical evangelicalism It outlines the background to the establishment of the Evangelical Alliance of South Africa (TEASA) and argues that radical evangelicalism, because of its understanding of conversion, salvation and mission, and the actions that issue from these convictions, can make a significant contribution of the transformation of church and society in South Africa today.