The article is devoted to the researching of the theme of the brotherhood of people man and its evolution in the works by I. A. Bunin. In the artistic world of the writer, the idea of new — evangelical, fraternal relations between people, based on Christian love, is affirmed. The key images and motives for understanding the evolution of the theme of brotherhood of people appear in the early poems, such as “In Kostyol,” “The Gravestone Scripture:” the image of Christ, the motive of faithfulness to the “covenant of love” and to a new, evangelical relationship between people. In the works of 1914–1916 I. A. Bunin creates the image of humanity, which that has forgotten about God, about Christ, about its original initial brotherhood. There is a tragic motive of destruction of the brotherhood of people man poems “Silence,” “Desperation” and in his stories “Brothers,” “The Spring Evening.” The article pays special attention to the study of the Christian text in the short story “Brothers,” the results of which allow to speak about the Gospel meaning of the word “brothers” in the epigraph and in the title of the story, which are playing the most important role in the expression of the key author’s idea, phrased in the words of Christ. I. A. Bunin’s works of the period of the Russian Revolution of 1917 and of the Civil War, namely his diary “Cursed Days” and his speech “The Mission of Russian Emigration,” are imbued with the tragic motive of fratricide and with images of Russian Cain and Russian Abel. The ideas of brotherhood of people and of the deepest interconnection of all humanity people is heardresounds again in through the works by I. A. Bunin inof the emigration period, in and in his lyrical and philosophical prose of the 1920s. The theme of the brotherhood of people in the works by I. A. Bunin, which undoubtedly has an undoubted evangelical basis, develops throughout the writer’s work, which testifies to its significance for the writer’s worldview and his concept of peace and man.