Esther 4 is a pivotal chapter in the book of Esther, as it marks the beginning of Esther's journey to save her people from destruction. In this chapter, Mordecai sends a message to Esther, urging her to go before the king and plead for her people. Esther is initially hesitant, as she knows that it is against the law for anyone to approach the king without being summoned. However, Mordecai reminds her of the dire consequences that will befall her people if she does not act, and Esther decides to take the risk.
The chapter also reveals the great courage and faith of Esther, as she fasts for three days in preparation for her meeting with the king. This act of faith and devotion to God is a testament to her commitment to her people and her willingness to put her own life at risk for their sake.
The chapter ends with Esther's decision to go before the king, despite the danger. This act of courage and faith sets the stage for the rest of the book of Esther, as Esther's bravery and faith will ultimately lead to the salvation of her people.