Who delivered us from the power of darkness and translated us into the kingdom?
The passage attributes this deliverance and transfer to God the Father. The context identifies the 'Who' as speaking of God the Father, who has delivered believers from the power of darkness and translated them into the kingdom of His dear Son. It is already done, a finished transaction.
Les explains that the one being thanked is the Father, who has made us meet to be partakers of the inheritance of the saints in light. He notes that we are no longer in darkness but now in light. Then in verse 13, the 'Who' refers to God the Father, who has delivered us from the power of darkness and translated us into the kingdom of His dear Son. Les emphasizes this is already done, a finished transaction, and describes it as a position, just like being baptized into it, engulfed by it.
Who hath delivered us from the power of darkness, and hath translated us into the kingdom of his dear Son:
More Questions
What does it mean that God has translated us from darkness into the kingdom of his dear Son?
God has translated us out of darkness into the kingdom of His dear Son, and that kingdom is something we have right now rather than only a future hope.
When are believers translated out of darkness into the kingdom of God's dear Son?
Believers have already been translated out of darkness into the kingdom of God's dear Son, so this is something we possess right now, not a future hope.