Who is the Holy Spirit?

A detailed description of the identity, arrival, purpose, power, and work of the Holy Spirit. Specifically discussed are the Spirit's origin and nature, the Spirit's involvement in creation, the Spirit's service through the Old Testament, and the Spirit's extensive work in the salvation and life of the believer. Scripture Referenced: Genesis 1:1-2, Numbers 11:25, 1 Samuel 10:1-6, 1 Samuel 16:1-14, Psalm 51:11, Psalm 139:7, Isaiah 61:1-2, Ezekiel 36:25-27, Joel 2:28-32, Matthew 3:7-12, Luke 3:15-17, Luke 24:45-49, John 3:1-10, John 6:45, 63, John 7:38-39, John 10:27-30, John 14:12-26, John 15:5, 26, John 16:7-15, Acts 1:1-8, Acts 2:1-43, Acts 16:14, Romans 2:28-29, Romans 6:17, Romans 8:6-8, 1 Corinthians 2:1-14, 1 Corinthians 6:9-11, 1 Corinthians 12:4-6, 2 Corinthians 5:5, 14, 17-21, Galatians 2:20, Ephesians 1:1-3, Ephesians 1:13-14, Ephesians 2:1-3, 4-5, Ephesians 3:20, Ephesians 4:30, Philippians 1:6, Philippians 2:12-13, Colossians 1:15-17, Colossians 1:27, 1 Thessalonians 4:7, Titus 2:11-14, Titus 3:3-7