to ensure the operation of the Prieuré, a medical-social establishment; to guarantee to the Central Office of Social Assistance that the premises are used solely for medical-social purposes; to receive elderly persons who have requested accommodation or have been placed by social services in the best possible conditions; to collaborate with public authorities, private individuals and public or private social services with a view to improving the organization of reception and care for the elderly in Geneva; to carry out all activities related to this purpose.