The thesis aims to provide a critical assessment of Camilo Torres' concept of efficacious love in the light of a hermeneutics and ethics of liberation, to contribute theoretically to theological reflection upon the mission of the Protestant and Roman Catholic churches in Colombia, and generally in Latin America. It proposes the thesis that the theology of Camilo Torres, viewed from the perspective of a hermeneutics and an ethics of liberation, can be foundational for seeking, constructing, and sustaining peace with justice in a context of oppression and violence. Based on the theological analysis, the academic and spiritual motivation should respond to two fundamental questions in our academic inquiry: what foundation exists in Camilo Torres' theology for the construction of a just, peaceful, liberative society and to enable proximity to the excluded, victimized, and poor population in Colombia to be achieved? And how can we as Christians respond to the grace of God in living efficaciously the values of the Kingdom of God, in order to bring structural changes in Colombia? The implications of the answers to those questions would result in the possibility to execute an integrating theological proposal for peace with justice for the church in Colombia. In an interpretative mode, we consider critically the multidisciplinary interaction of some of the theological foundations of liberation theology. Our task consists in clarifying and constructing theological presuppositions for a dialectical examination of the historical and current situation in Colombia, viewed in the light of the internal problems and realities. Thus, it is our intention in order to attempt a significant interdisciplinary juncture, to examine and interpret such relevant concepts as efficacious love, faith with works, kenosis, hypostatic union, hermeneutics and ethics of liberation, social justice, personal and collective socio-political conversion, and a praxis of faith as the church's mission in response to the Colombian context of poverty and violence.

La présente thèse vise à comprendre les ressorts sociaux de la conversion politique d’un pionnier de la Résistance, le journaliste Emmanuel d’Astier (1900-1969). Issu de l’aristocratie catholique et conservatrice, proche de l’Action française et journaliste bohême auteur d’articles antisémites et antirépublicains dans l’entre-deux-guerres, d’Astier est en 1940 lefondateur d’une des premières organisations de résistance à l’occupation nazie. Á l’avant-garde de l’antivichysme sous l’Occupation, haut dirigeant de la Résistance, d’Astier devient à la Libération député et compagnon de route du Parti communiste. Son engagement dans la Résistance joue un rôle majeur dans sa conversion politique. Pour comprendre la trajectoire d’Emmanuel d’Astier, il convient d’entrer dans la fabrique sociale de l’acteur, c’est-à-dire de décortiquer les mécanismes et processus continus de la construction sociale de sa personne. Dans cette perspective, il s’agit d’abord de considérer le temps long biographique au cours duquel l’individu est socialement façonné par les multiplesexpériences qu’il est amené à vivre. Il s’agit ensuite d’analyser comment le temps court de l’engagement résistant s’articule au temps long de l’expérience biographique. Ainsi, l’un des enjeux de ce travail est de comprendre à la fois les conditions sociales de possibilité et les incidences biographiques de l’engagement contestataire en contexte autoritaire et critique.Articulant sociologie de la socialisation et sociologie de l’action collective, cette thèse interroge in fine les multiples façons dont histoires sociales individuelles et histoires sociales collectives se percutent, et comment les cheminements des trajectoires individuelles dépendent de ces rencontres. / This thesis questions the social causes of the political conversion of a pioneer of Resistance, the journalist Emmanuel d’Astier (1900-1969). Born in a family of the catholic and conservative aristocracy, Emmanuel d’Astier act during the 1930’s as a bohemian journalist and the author of anti-Semitic and anti-republican articles. In 1940, he is the former of one of the first collective organizations whici fight against the Nazi occupation of France. A great opponant of the regime of Vichy during the Second World War, he becomes a deputy and a friend of communism after the Liberation. His activism in the Resistance plays a major role in his political conversion.To understand the social path of Emmanuel d’Astier, we must analyze the mechanisms and the processes of his social construction. First, we must examine the long-term temporality during which the actor is formed by his biographical experiences. Secondly, we must examine how the short-term temporality of activism articulates with the biographical long-termtemporality. We must understand the social conditions and the biographical consequences of high-risk activism.Ultimately, this thesis articulates a sociology of the socialization with a sociology of collective action. It questions the many ways in which individual paths and collective paths meet, and how individual paths stems from these confluences.