All the angels are spirits who serve God and are sent to help those who will receive salvation.
Hebrews 1:14 (ERV)
For He will order His angels to protect you wherever you go.
Psalm 91:11 (NLT)
“O king, live forever!” said Daniel. “My God sent His angel, who closed the mouths of the lions so that they would not hurt me. I’ve been found innocent before God and also before you, O king. I’ve done nothing to harm you.”
Daniel 6:22 (MSG)