It is not only the livelihoods of people in developed countries that are unprotected and whose sustainability is not guaranteed, but above all in the economically backward regions of the world. These regions, in addition to the problems caused by changes in economic and production models, have to cope with globalisation. There is a labour market, but competition is just as fierce... Catechesis on work, in collaboration with P. Rakotondramanana Soloniaina Jean Emilien.