The Book of Haggai is a book of the Hebrew Bible and the Christian Old Testament. It is a collection of prophecies and teachings attributed to the prophet Haggai, who lived in the 6th century BCE and served as a prophet to the people of Judah.
The Book of Haggai covers a wide range of subjects, including the rebuilding of the Temple in Jerusalem, the judgment and redemption of God's people, and the coming of the Messiah. The book includes a number of prophecies and teachings about the importance of rebuilding the Temple and the consequences of neglecting this task, as well as visions of the future restoration and prosperity of the kingdom of God.
Key figures in the book of Haggai include Haggai, as well as the people of Judah, who are the recipients of the prophet's teachings and prophecies. The book also mentions various other individuals, such as the Babylonians, the Persians, and the Messiah, who are the subjects of the prophet's teachings and prophecies. The book also includes a number of references to God and his actions, as well as expressions of trust and reliance on him.