Queen Esther is a central figure in the biblical Book of Esther. She was a Jewish woman who became the queen of Persia after winning a beauty contest held by King Ahasuerus. Esther is known for her bravery and intelligence, as she used her position to save her people from a plot to annihilate them. Esther's story highlights themes of courage, identity, and faith. When her cousin Mordecai informed her of the danger facing the Jews, she risked her life by approaching the king without being summoned. Her actions ultimately led to the foiling of the plot and the preservation of the Jewish community in Persia.