This book presents the main elements of professional development for various groups working with children in diverse societies. By helping children to acquire and develop national self-identity and self-esteem, we lay the foundations and foundations for the formation of positive attitudes towards others and towards learning. This book provides clear evidence, practical advice, real-life examples, and useful guidelines on how to develop emergent language in young children, especially children learning English as an additional language, and how to develop, implement, and evaluate a diversity curriculum. Each chapter of the book presents a clear combination of theory and practice, and at the end presents an activity aimed at employee development, as well as providing suggestions for other useful reading in the field.