This French-language career guide introduces readers to professions in humanitarian action and solidarity work. Published in L'Étudiant's practical *Les métiers* series, it is aimed at students, job seekers, and anyone considering a transition into fields connected with aid, development, social support, emergency response, and nonprofit service. The book surveys the landscape of humanitarian and solidarity careers, explaining how such work is organized and what kinds of roles may be available to people with different backgrounds and levels of experience. It also points readers toward the preparation, skills, and pathways that can help them understand whether this sector matches their interests. As a reference title, it serves as an accessible starting point for exploring meaningful work in organizations and initiatives focused on helping communities, responding to crises, and supporting vulnerable populations.