Who Exactly was THE ANGEL OF YAHWEH (God) in the Old Testament? Was it really Christ?

Many believe and teach that when referring to "The Angel of His Presence" or "The Angel of God" is mentioned in the Old Testament it is referring to a pre-existent Christ. Is this true? If not Christ, then Who? 

Study Guide - https://docs.google.com/document/d/1mbDFbue6TATxhczfmWONtZt2jDrvfifGyMfi_GVO2Nc/edit?usp=sharing


Chapters:
00:00:00 - The True Identity of the Angel at the Burning Bush
00:03:03 - God is Not Invisible
00:06:01 - The Face of Yahweh
00:09:22 - The Face of God and the Angels in Heaven
00:12:07 - The Secrets of the Kingdom of God
00:15:00 - Understanding the Invisibility of God
00:17:46 - The Power of Proxy and Power of Attorney
00:20:55 - The Power of a Proxy
00:24:11 - Seeing Yahweh Face to Face
00:27:18 - The Paradox of Seeing God
00:30:19 - Seeing Yahweh Face to Face
00:33:05 - The Angel of Yahweh
00:36:05 - The Proxy Regency of Yahweh
00:38:54 - The Mystery of the Angel of Yahweh
00:41:58 - Yahweh's Proxy Speaking to Abraham
00:45:06 - Jacob's Encounter with God
00:48:06 - The Wrestling Match with the Angel Yahweh
00:51:19 - Confusion in Jacob's Blessing
00:54:31 - Proxy Regency and Power of Attorney
00:57:30 - Angelic Rulers Over the Nations
01:00:29 - The Angelic Rulers of Nations
01:03:35 - The Angel of Yahweh and the Power of Proxy
01:06:28 - The Authority of Yahweh
01:09:20 - The Angel of the Lord
01:11:58 - The Proxy Angel of Yahweh
01:15:17 - The Role of Michael in Israel's Governance
01:18:14 - The Angel of Israel

Key insights
🔥 The identity of the Angel of Yahweh in the Old Testament is a subject that challenges preconceived ideas and beliefs.
🔍 The true identity of the Angel who spoke to Moses from a burning bush is a subject of controversy and debate within the body of messiah.
🤯 Yahshua Jesus is only the face of Yahweh to humans who cannot see beyond the veil of time, but there will come a day when we shall see Yahweh face to face.
🤯 Yahweh used the agency of a proxy or a reject with the power of attorney to approach and have fellowship with man on a lower level of frequency.
🤔 The idea of Jacob wrestling with God personally challenges the belief that no man has seen God.
😇 The angel of Yahweh could stand in for Yahweh and was vested with the authority to operate in the human realm.
🔥 The angel of Yahweh appeared to Moses in the bush, serving as a representative with the power to speak on behalf of God.
🔥 The presence of the angel of Yahweh in the Old Testament raises questions about the nature of God and his divine messengers.
😇 The Angel of Yahweh possessed the authority, name, and nature of Yahweh, making it a significant figure in the Old Testament.