Proverbs 6:3
Do this now, my son, and deliver thyself, when thou art come into the hand of thy friend; go, humble thyself, and make sure thy friend.
Cross-reference
Genesis 32:4
Allusion
In Genesis 32:4, Jacob calls himself Esau's servant — a direct illustration of humbling oneself when in a brother's hand, as advised here.
Genesis 33:3
Allusion
In Genesis 33:3, Jacob bows seven times before Esau — the physical act of humility that perfectly exemplifies the advice given here.
James 4:10
Parallel
In James 4:10, 'Humble yourselves before the Lord' extends the same principle from a human context here to a divine one — a general NT application.