Sentence:  There is much talk in theological circles about the `` Church as Mission '' and the `` Church 's Mission '' ; theologians have been stressing the fact that the Church does not exist for its <WSD>own</WSD> sake but as a testimony in the world for the healing of the world . 
Meaning of the word marked with <WSD> tags:  belonging to or on behalf of a specified person (especially yourself); preceded by a possessive