What does it mean to 'fear not' in Isaiah 43?

In Isaiah 43:1-5, the phrase 'fear not' is a comforting command from God to His people, assuring them that He is with them and will protect them through all circumstances. The context of this passage highlights various trials and challenges that believers may face, but God's promise to be present offers profound comfort and encouragement. The assurance that God knows His people by name and that they are His serves to alleviate anxiety and fears, reminding them that they are never alone, even in deep waters or fiery trials.