Who is the Son God revealed in Paul?
That Son is Christ—the crucified, resurrected, and risen Christ. God's purpose was to reveal His Son in Paul, by grace, not because Paul deserved it, and as part of His preordained plan from eternity past. Paul had been the persecutor who hated Jesus of Nazareth.
Les explains that when Paul came out of the traditions of the fathers, God—who had separated him from his mother's womb and called him by grace—purposed to reveal His Son in him. Paul had been the persecutor who hated Jesus of Nazareth, yet God saved him by grace, not because he earned it. The Son revealed is the Christ, the resurrected, crucified, and risen Christ. This was all part of God's preordained plan.
To reveal his Son in me, that I might preach him among the heathen; immediately I conferred not with flesh and blood:
More Questions
Why did God call Paul and reveal His Son in him?
God brought Paul on the scene for the distinct purpose of taking the Gospel of Grace to the Gentiles, revealing His Son in him so that he might preach Him among the heathen.
Who is Galatians 1:16 talking about when it says God revealed His Son in him?
Galatians 1:16 refers to God revealing Himself (His Son) in this man, the apostle Saul of Tarsus, now known as Paul.