Maybe you should trust them if you want to live.
Why did the mystery instructor bring you here? I'm sure you have a lot of questions. Before that, you need to understand the base and how the map is constructed. At least it will not let you lose your way.
Base facilities: "Armory", "Manufacturing Center", "Gear Upgrade Center", "Material Recycle machine ", "Buff Room", "AI Intels (npc)", "Global Player System", "Training Area"