The subject of the analysis addresses seniors. Social, medical and psychological support can be classified as particularly important considering problems seniors face in their everyday life. This implies the need to narrow down the field of analysis to those aspects that the authors are able to responsibly undertake based on their professional experiences and education. Hence, the idea of this article is to explain and justify the need to develop tridisciplinary cooperation: sociology, medicine and psychology. The analysis of issues related to supporting seniors shows also the need to stimulate the processes of the seniors activation and counteracting social marginalization.