Promotion and procurement of affordable housing for rent and ownership on a non-profit basis in accordance with the Housing Promotion Act (WFG). The cooperative's activity is not profit-driven. Its purpose is, in particular, to provide affordable housing to elderly residents of Biberist. Additionally, it may undertake the construction and operation of nursing homes for the elderly. The cooperative's buildings are to be used permanently for affordable housing purposes. The cooperative may buy and sell properties, acquire and establish building rights, transfer them, and enter into any business and conclude contracts that are suitable to promote the purpose of the cooperative and are directly or indirectly related to it.