Praying Together
At this point, privacy and concern for the honor or shame of the offender can no longer be preserved. The sinning member has chosen to make the matter public by refusing to respond to the previous entreaties.
In this context, the binding and loosing describe the church’s responsibility to interpret the meaning and consequences of a sinning member’s behavior. The Greek grammar suggests that Jesus believed the real decision regarding the offender’s sin and consequences of that sin had already been made in heaven. When united in prayer and obedience, the church will affirm on earth what God had already decided in heaven. This can happen if two on earth agree about something they might ask God because it will be done for them by the Father in heaven (18:19).