How can you have a society without private property if you don't have a state to take the property away from people and to enslave them? Your system would end

How can you have a society without private property if you don't have a state to take the property away from people and to enslave them? Your system would end the Knute two people decided to organize a venture for profit, or to keep a stick they found on the beach. You need an all seeing state to take that stick from them and keep them destitute.