Some powers he can have that are impiled powers of Archangels, Humans take it to a lesser digree but more faith you have the more powerful it can become but not as powerful as an archangel

weather control - control parts of the weather, storms, hurrcains and blizzards, winds and other things anything to do with the weather.

Hope inducement - can give other humans hope and rekindle faith in those who have lost it completely.

Truth inducement - If touched by a hand the being will be forced to tell the truth, demon or angel or demon lord or archangel.

Holy fire - Can shoot flame sout of palm or foot to either fly or attack or protect with.

Devine combat - Can fight like a archangel or high angelic being. Can use anything out everything to fight with, even a rock if needed.

Devine voice - Can make things lesser then him or who have lesser faith tremble and cower in fear.

Wings- Can grow wings and use them for around few hours before they are gone.

Speical powers of Archangel Gabriel

Devine gifts and blessings - He can give blessings and gifts to humans who have lost their ways

Merical proforming - He can proform the unthinkable, resseract a human being

Soul Reading - Can read peoples souls to see if they are true or too far gone

Marksmanship of an Angel - Maintain the highest of holy beings with skills of long range fighting.