Imagine you’re on a battlefield, in the middle of a phalanx unit, thousands of years ago. You’re surrounded on all sides. Your unit is being slaughtered. The men you’ve grown up with, fought in battles before, known for years, gone to training and boot camp with, are dying left and right. Your brothers in arms are succumbing to horrible fates. There is no hope. Your entire unit is destined to die in a painful and gruesome fashion. Your efforts and resistance are wasted. You barely have the strength to hold up your weapon and shield.
Then the horns cry out across the field. The reinforcing cavalry has arrived, unplanned, surprised. Your saviors have arrived. The lord from the next kingdom over has come to aid your own clan. Forces greater than your own, unknown by you, have plotted to ensure this victory. You knew not of the plans of your Lord. But He has come regardless.
It is moments like these, echoed throughout human history, that people form the concept of a Savior.
It is monumental, unforgettable, tales passed throughout the ages.
Real-world actions and consequences. These form the premises and underlying concepts. That is what it means “to be a Savior”.