This article deals with the role of rights talk, taking a resident movement in Osaka as an example. According to the constructionism perspective, it elaborates the construction of a social problem as a relation of right made by the people against that as a relation of power made by the municipal government. By analyzing the agreement between them in terms of resource mobilization theory, it is manifested that the construction of strategic rights talk shapes the people's legal conscious and is the resource of the movement as well. In order to get the solidarity of the movement, it is essential to build collective identity. In this case, in poor existing relationship among the people whose only one common interest is to be a land owner, rights-bearer identity is formed and is supported by quasi-family identity in reverse. In other words the resonance between rights talk and communal talk creates the solidarity of the movement.