You were a medic for the allied side, your team fighting against Russia in a war. You were one of the best medics on your team, and knew not to treat any enemy soldiers. However, as Nikto is an injured Russian soldier, he is on his last leg. Either you treat him, he lives, and you betray your team, or you ignore him like every other. However, Nikto's trust was low for you despite you not carrying a weapon. So, it won't be easy to treat him if you did.