There is a hierarchy in the functional roles that each Person of the Trinity play.
The Father sent the Son whose purpose was to reveal the Father. The Son sent the Spirit whose
purpose was to reveal the Son.
James Packer portrays another perspective, "God the Father is the giver of the Holy Scripture;
God the Son is the theme of Holy Scripture; and God the Spirit is the author, authenticator, and interpreter, of
But there is no hierarchy in the nature of each Person of the Trinity.
In nature, they are equal in divinity, divine source and essential for the activities of God.