No, you might be a primitivist, feudalist, syndicalist, or any of many other ways of organizing society. What you adopt will depend on your values and how you perceive the relationship between people and capital. Ultimately the labels are helpful up to a point, because the application of theory, or praxis, will manifest in ways to meet the need of your time.

Just to get ahead of it, capitalist can mean both one who supports capitalism as a way to organize society, and one who owns capital. From context it's clear we mean the former definition.