The document outlines the roles, responsibilities, and functions of teachers. It defines a teacher as someone who selects teaching methods and plans learning to achieve optimal student learning. Teachers have instructional, faculty, and individual roles. Their responsibilities include caring for students, collaborating with others, developing lesson plans, and treating all students equitably. Key functions of teachers are explaining information, directing learning, unifying the class, providing security, clarifying attitudes and problems, diagnosing learning issues, evaluating students, and participating in school and professional activities.