The Holy Spirit is God Himself, placed within believers to transform us into the likeness of God and comfort us until we are fully united with God in Glory.
What makes Jesus fit to be the only Savior of the world?
Because of Christ’s substitution on the cross for sins, we have access to our Creator, and not only as our Creator, but as our Father as well.
Trinity means simply the “tri-unity” of God. It means that there is one God, who is also three distinct persons: God the Father, God the Son, and God the Spirit. The three persons within the Godhead are unified in their God-ness yet distinct in their role and personhood.