John Gill's Bible Commentary Ver. 1. Then Moab rebelled against Israel after the death of Ahab .] Which had been in subjection to them from the times of David, ( Samuel 8:2) refusing to pay a tribute as they had done; taking advantage of Ahab’s ill success with the king of Syria, and of his death, and the condition and circumstances of his successor.
Matthew Henry Commentary
Verses 1-8 - When Ahaziah rebelled against the Lord, Moab revolted from him. Sin weakens and impoverishes us. Man's revolt from God is often punished by the rebellion of those who owe subjection to him. Ahaziah fell throug a lattice, or railing. Wherever we go, there is but a step between u and death. A man's house is his castle, but not to secure him agains God's judgments. The whole creation, which groans under the burden of man's sin, will, at length, sink and break under the weight like thi lattice. He is never safe that has God for his enemy. Those that wil not inquire of the word of God for their comfort, shall hear it to their terror, whether they will or no.
Original Hebrew ויפשׁע6586 מואב4124 בישׂראל3478 אחרי310 מות4194 אחאב׃256