The article aims to depict Jean-Paul Sartre’s concept of the human condition. It presents the main ideas of Sartre’s anthropological reflection (the man as an entity that is absolutely free, lonely, and doomed to experience the absurdity of the status of an ‘in-the-world-being’). Although Sartre’s thoughts have been criticized by the ‘philosophers of dialogue’, his anthropology still seems to express appropriately the complexity of the human condition in the context of everlasting and fundamental queries about the purpose and the sense of individual existence.