Exodus 21:5-6
But if the servant declares, ‘I love my master and my wife and children; I do not want to go free,’ / then his master is to bring him before the judges. And he shall take him to the door or doorpost and pierce his ear with an awl. Then he shall serve his master for life.

Deuteronomy 15:16-17
But if your servant says to you, ‘I do not want to leave you,’ because he loves you and your household and is well off with you, / then take an awl and pierce it through his ear into the door, and he will become your servant for life. And treat your maidservant the same way.

1 Samuel 1:11
And she made a vow, saying, “O LORD of Hosts, if only You will look upon the affliction of Your maidservant and remember me, not forgetting Your maidservant but giving her a son, then I will dedicate him to the LORD all the days of his life, and no razor shall ever touch his head.”

Isaiah 44:21-22
Remember these things, O Jacob, for you are My servant, O Israel. I have made you, and you are My servant; O Israel, I will never forget you. / I have blotted out your transgressions like a cloud, and your sins like a mist. Return to Me, for I have redeemed you.

Isaiah 49:15-16
“Can a woman forget her nursing child, or lack compassion for the son of her womb? Even if she could forget, I will not forget you! / Behold, I have inscribed you on the palms of My hands; your walls are ever before Me.

Isaiah 63:16
Yet You are our Father, though Abraham does not know us and Israel does not acknowledge us. You, O LORD, are our Father; our Redeemer from Everlasting is Your name.

Jeremiah 30:10
As for you, O Jacob My servant, do not be afraid, declares the LORD, and do not be dismayed, O Israel. For I will surely save you out of a distant place, your descendants from the land of their captivity! Jacob will return to quiet and ease, with no one to make him afraid.

Jeremiah 31:33
“But this is the covenant I will make with the house of Israel after those days, declares the LORD. I will put My law in their minds and inscribe it on their hearts. And I will be their God, and they will be My people.

Ezekiel 34:30-31
Then they will know that I, the LORD their God, am with them, and that they, the house of Israel, are My people,’ declares the Lord GOD. / ‘You are My flock, the sheep of My pasture, My people, and I am your God,’ declares the Lord GOD.”

Zechariah 13:9
This third I will bring through the fire; I will refine them like silver and test them like gold. They will call on My name, and I will answer them. I will say, ‘They are My people,’ and they will say, ‘The LORD is our God.’”

Romans 6:18
You have been set free from sin and have become slaves to righteousness.

Romans 6:22
But now that you have been set free from sin and have become slaves to God, the fruit you reap leads to holiness, and the outcome is eternal life.

Romans 8:15
For you did not receive a spirit of slavery that returns you to fear, but you received the Spirit of adoption to sonship, by whom we cry, “Abba! Father!”

1 Corinthians 7:22
For he who was a slave when he was called by the Lord is the Lord’s freedman. Conversely, he who was a free man when he was called is Christ’s slave.

Galatians 4:7
So you are no longer a slave, but a son; and since you are a son, you are also an heir through God.