The present article is about how the integration of people and social groups into society, especially vulnerable populations, has always been central objective of social services in Quebec. Since the mid-seventies, insertion, alongside its mission of adaptation and social control, has captured much more attention of social work due to important social changes (Goyette, 2004). Hence, populations that were not used to resort to social services programs—women and people in general, especially young people—occupy since then the interest of social services and public policies. Faced with this, social services focuses its attention on the subject of youth insertion, as the increase of figures of exclusion reinforces the necessity of favoring values of solidarity, social justice, respect and autonomy, principal preoccupations of this discipline, in its ethics as well as its practice.