Make sincere prayers/supplications on behalf others especially those who have been wronged or oppressed

This hadith tells us that supplications of those who have been wronged, travelers, and fathers for their children will be answered. It is a reminder to us that Allah is always listening to our prayers and He will answer them if we are sincere in our intentions. We should never give up hope in Allah's mercy and kindness even when we feel like all hope is lost. The hadith also teaches us the importance of justice as it encourages us to stand up for those who have been wronged or oppressed. Furthermore, it reminds us of the special bond between parents and their children as it encourages fathers to make supplications on behalf of their children.