Муму by Ivan Turgenev

A strong, deaf-mute serf in 19th-century Russia rescues a stray dog and forms a deep, simple bond that becomes his main source of companionship amid hard work and isolation; when his capricious mistress orders the animal removed, he is forced by her arbitrary authority to carry out a cruel act himself and drowns the dog, after which he abandons the household and returns to a solitary life, the story laying bare the human cost of serfdom and the tragedy of powerless obedience.