A public health official has the legal authority to take action to protect community health. This role is commonly referred to as:

The term used to describe a public health official with the legal authority to take action to protect community health is "Health officer." Health officers are typically responsible for overseeing public health initiatives, enforcing regulations, and addressing health threats within the community. Their authority often includes implementing measures to control disease outbreaks, managing health resources, and ensuring compliance with health laws and regulations.

This role is critical for the safeguarding of public health, as health officers use their knowledge of local health needs and community dynamics to make informed decisions that can significantly impact the well-being of the population. They work in collaboration with other public health professionals to promote health education, preventive measures, and interventions aimed at improving community health outcomes. Understanding this role is vital for those in the field, as it embodies the leadership and decision-making aspect of public health administration.