Meaning: A brave person saved the villagers from the dragon.
Choice of Words: The word "hero" is a noun that refers to a person who is admired for their courage and bravery. "Rescued" is a verb that describes the hero's actions in saving the villagers. "Villagers" is a noun that refers to the people who live in the village. "Dragon" is a noun that refers to the mythical creature that the villagers were in danger from.