Complex sentence: Lutheranism however does affirm that the church militant, church suffering and church triumphant share a common goal and thus do pray for one another however shy away from the invoking the church triumphant as an intercessor so as not to confuse them as mediator.
Split into simpler sentences: Lutheranism however does affirm that the church militant, church suffering and church triumphant share a common goal and thus do pray for one another. However, they shy away from the invoking of the church triumphant as an intercessor so as not to confuse them as mediator.