Being Poly is not an inherent part of who someone is. Poly is the same thing as Swinging. Poly is a subset of Swinging. Swinging is a subset of Poly. Poly and Swinging are totally unrelated things.
All poly people are activists.
All poly people are gender feminists. All poly people are eco-minded. All poly people support the LGB community. All poly people are Pagan. All poly people are poticially liberal.