Ah right, I don't see it like that, I believe that all the angels are called angels of God and that they are ministering spirits, I believe they all speak Gods word and they all minister the word of God to us as it is given to them by God to speak.
Hebrews 1
But to which of the angels said he at any time, Sit on my right hand, until I make thine enemies thy footstool?
Are they not all ministering spirits, sent forth to minister for them who shall be heirs of salvation?
No, just because it is called an angel doesn't mean it is a created being. Sometimes the Angel is God himself. At least that's what the Old Testament tells us. Don't take Hebrews out of context. Here, look at these passages here. It refers to the same being as 1) a man, 2) God, and 3) an angel.
Genesis 32:24-30 KJV
(24) And Jacob was left alone;
and there wrestled a man with him until the breaking of the day.
(25) And when he saw that he prevailed not against him, he touched the hollow of his thigh; and the hollow of Jacob's thigh was out of joint, as he wrestled with him.
(26) And he said, Let me go, for the day breaketh. And he said, I will not let thee go, except thou bless me.
(27) And he said unto him, What is thy name? And he said, Jacob.
(28) And he said, Thy name shall be called no more Jacob, but Israel: for as a prince hast thou power with God and with men, and hast prevailed.
(29) And Jacob asked him, and said, Tell me, I pray thee, thy name. And he said, Wherefore is it that thou dost ask after my name? And he blessed him there.
(30) And Jacob called the name of the place Peniel:
for I have seen God face to face, and my life is preserved.
Genesis 35:1 KJV
(1)
And God said unto Jacob, Arise, go up to Bethel, and dwell there: and make there an altar
unto God, that appeared unto thee when thou fleddest from the face of Esau thy brother.
Hosea 12:2-4 KJV
(2) The LORD hath also a controversy with Judah, and will punish Jacob according to his ways; according to his doings will he recompense him.
(3) He took his brother by the heel in the womb,
and by his strength he had power with God:
(4)
Yea, he had power over the angel, and prevailed: he wept, and made supplication unto him: he found him in Bethel, and there he spake with us;
Not part of the set above, but a second different example of God being called Angel, when Jacob speaks in the same breath.
Genesis 48:15-16 KJV
(15) And he blessed Joseph, and said,
God, before whom my fathers Abraham and Isaac did walk,
the God which fed me all my life long unto this day,
(16)
The Angel which redeemed me from all evil, bless the lads; and let my name be named on them, and the name of my fathers Abraham and Isaac; and let them grow into a multitude in the midst of the earth.
Let's allow the Bible to interpret its own terms. When the Angel speaks, all we know is that it's working on behalf of God. It might be a ministering spirit, a created angelic being, or it might be God himself, the Father of Spirits.