Imbibing inspiration from the life of Jesus who travelled throughout doing good to all, the members of MSMI helps the poor, the orphans, the beggars, the oppressed, the exploited and the needy around us. They lead them to total liberation and self-sufficiency through preventive, curative, rehabilitative, and developmental programmes. 

The MSMI run charitable institutions for the mentally, physically and socially disabled, the street children, the destitute and the orphans, the old and the terminally ill. They run technical training institutions of cutting and tailoring, embroidery, etc. They try to raise the standard of education of the poor around them through adult education, literacy classes, remedial education, condensed classes, free tuition etc.