The Holy Spirit is the helper, assistant, counselor, and instructor of the triune Godhead. His work is to reveal Christ, convict of sin, lead to repentance, comfort, strengthen, sanctify the soul, and guide believers in worship, evangelism, and service.
2 Corinthians 3:17
John 16:7-13
John 14:16-17
Acts 1:8
1 Corinthians 2:12
1 Corinthians 3:16
Ephesians 1:13
Galatians 5:25
Ephesians 5:18