The role of a Registered Psychiatric Nurse involves providing care and support to patients with mental health issues. Responsibilities may include assessing patients, developing care plans, administering medication, and providing counselling. The nurse may also be involved in educating patients and their families about mental health conditions and treatment options. Additionally, the nurse may need to collaborate with other healthcare professionals to ensure comprehensive care for the patients. Effective communication skills, empathy, and a strong understanding of mental health disorders are essential for this role.