In previous years, the person and the work of the Holy Spirit were the object of much debate and confusion. In the midst of this back-breaking atmosphere, it is very easy to ignore the importance of the ministry of the Holy Spirit in the life of the believer. In order to shed light on such a large subject, we will therefore together explore this question: "WHAT IS THE RELATIONSHIP OF THE HOLY SPIRIT WITH THE BELIEVER? While giving a biblical approach to this question, it is my greatest desire that the life and heart of the readers of this work be enriched by the presence and power of the Holy Spirit, and that his presence in them is an indispensable source of spiritual blessings in their relationship with God.