Abstract: This practitioner-focused essay examines the vital role that human resources (HR) professionals play in advocating for and protecting employees, especially in dysfunctional or unhealthy work environments. Drawing from the author's 15 years of experience in organizational consulting and academic research, it outlines the common signs of an unhealthy workplace culture, such as toxic leadership, lack of respect, and high turnover. The essay argues that HR has a responsibility to identify issues through anonymous surveys, benchmarking, and health metrics, and then drive positive change by holding leaders accountable and empowering individual employees. Specific strategies are provided for strategic partnering with executives, conducting investigations into complaints, educating managers, and implementing practical solutions tailored to different industries. Two case studies demonstrate how HR collaboration led to improved staff satisfaction, retention, and customer service at a hospital and call center. The conclusion reinforces HR's enduring duty to safeguard employee well-being and remedy the root causes of unhealthy dynamics through advocacy at both the systems and individual levels.