An infant teacher is responsible for providing a safe and nurturing environment for infants, focusing on their developmental needs through age-appropriate activities, close observation, and consistent routines, while also maintaining open communication with parents regarding their child's progress and well-being; key duties include feeding, changing diapers, implementing sensory play, fostering social interaction, and documenting developmental milestones within a classroom setting. Parent Communication: Maintaining open communication with parents through regular updates, conferences, and addressing any concerns about their child's development.