According to Merriam-Webster:
Hero • he-ro, noun.
1 a. mythological or legendary figure often of divine descent endowed with great strength or ability
b. an illustrious warriorc. man admired for his achievements and noble qualitiesd. one who shows great courage
2. a. the principal male character in a literary or dramatic work
b. the central figure in an event, period, or movement
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Dear Mainstream Media:
Quit overusing the word. Just because something happens to people, and they survive, does not make them heroes. Just because a person happens to walk into his back yard and discovers something completely by accident, does not make him a hero. In fact, it's insulting to those who truly ARE.