As women become active in grassroots organizations, they assume gender consciousness that generally leads them to adopt or experience “feminist gender identities,” which is illustrated with ethnographic material collected in Lima, Peru. I also provide a summary of the latest historical development in Peru as a framework to locate the activism of poor women as a new phenomenon arising with the “globalization crises” or the Lost Decade for Latin America. While I frame the study of women’s participation as part of social movement theory, I challenge and re-interpret traditional approaches to the study of women’s involvement and activities