Librarian in the professional structure of the digital society

Consideration of the librarian as an information worker is based on an understanding of the library as a social Institute. Orientation on satisfaction of information needs is presented as a criterion of stability of the library profession. It seems inductive and deductive approaches to definition of essence of the library profession. It is noted that the classification of library exclusively to the sphere of culture and artificial restriction of its functions objectives of cultural development fraught dysfunctional consequences for the library as a social Institute at the modern stage. Social mission librarian become a guarantor of access to information as a basis of free development of personality, her education, social activity and cultural activities.