This paper analyzes the socio-emotional development of the child and the role of educators in the socio-emotional education of children. From birth, the child interacts with the environment and gradually develops and builds by exploring the world around him. We are social as well as emotional beings because the environment influences us to a great extent, that is why the role of the educator is extremely important in the earliest age of the child. An educator should first of all perceive his job as a calling and approach it in this way, by constantly improving his knowledge and questioning his actions. A good educator is one who creates a stimulating environment for the child and is open to every child's question. The goal of this final paper is to get acquainted with children's development as a whole and to emphasize socio-emotional development, peer relationships: how do they affect emotional development and how do children deal with frustrations, the importance of the kindergarden atmosphere, which can have a positive as well as a negative impact on children's development, emphasizing of the role of the educator who is a role model for children who learn according to the model, and exploring the ways in which the quality educator can stimulate the child's desire for socialization and sense of belonging.