The Holy Spirit as Revealer of the Truth and as a Guide

The Holy Spirit is the Third Person of the Holy Trinity, is in complete union with the Father and the Son.
He is the one who reveals the Truth; opens our eyes, hearts and mind to see and understand the Good News of Gods’ Love, especially in and through Jesus, Jesus’ Life and teachings.
The Holy Spirit continues the mission of Jesus by teaching and guiding the Church.
He gives wisdom and faith, so that the disciples can testify with boldness to the living presence of Jesus and his love.
He comforts the disciples when they face trails
He enables the disciples to be witnesses of Christ not only by their words, but also by their lives

The Bible: The Power of Rebirth