Le but de cet article est de degager lesthetique et les enjeux du discours dautorite dans Republique a vendre dIsaac Tedambe. Il sagit dun discours conformiste. Lauteur met en exergue une joute oratoire a travers les caracteristiques du discours dautorite telles que les arguments dautorite, le style sublime, les figures de style, la subversion, la legitimation, la grandiloquence, la sublimation, limpudence. Tout discours dautorite a une finalite. Saperçoivent dans ce roman des enjeux decoulant de la rhetorique mise en œuvre pour ce faire. Nous notons entre autres, le verdict, la promesse et linterdit. The goal of this article is to release the esthetics and the stakes of the speech of authority in Republique a vendre byIsaac Tedambe. It is about a dimension of conformist speech The Writer puts forward a verbal sparring match through the characteristics of the speech of authority such as the arguments of authority, the style sublimates, the stylistic devices, subversion, legitimation, the grandiloquence, sublimation, impudence. Any speech of authority has finality. Is perceived in this novel some stakes which rise from the rhetoric implemented with this intention. We list the verdict, the promise and the interdict.