FIRA Guardian is a radar-based spatial awareness system that tracks four or more people simultaneously as real-time 3D skeletal models without capturing images or personally identifiable information. A single unit continuously determines how many people are present, where each person is located, and each person's posture and movement, then detects falls, collapses, seizures, and hazardous-zone intrusions for every individual in parallel. It uses millimeter-wave radar instead of cameras, so it works in darkness, dust, glare, steam, or smoke, sees through bedding and light barriers, and never records a face or an image. A compact single wall or ceiling-mounted unit provides continuous monitoring across hospital wards, nursing homes, factories, warehouses, construction sites, and other shared environments where multiple people must be monitored simultaneously.