The book deals with human being as an organized hierarchy of modes of human existence. It examines the methodological, theoretical and empirical problems of research in the field of psychology of the subject and the psychology of human being, sets out the theoretical and empirical foundations of the subject-being approach to the consideration of personality and the personal approach to the consideration of being. A special place is occupied by the topic of the co-existence of a person with another person, contradictions in the spaces of co-existence.