In this passage, God is speaking to the Israelites about an angel He has sent to guide them on their journey. The angel is not just a messenger but carries God's authority and presence, as shown by the phrase "my Name is in him." This signifies that the angel acts with God's power and should be treated with the same respect and obedience as God Himself. The Israelites are warned not to rebel against this angel, as rebellion would not be forgiven, indicating the seriousness of their obedience.
This verse underscores the importance of listening to and following God's guidance, especially when it comes through His appointed messengers. It serves as a reminder that God often works through intermediaries and that respecting these intermediaries is part of respecting God. The message is universal, emphasizing the need for faithfulness and obedience in the spiritual journey, trusting that God’s guidance, even when delivered through others, is for the ultimate good of His people.