Seek justice through legal means such as accepting diyyah or seeking retribution through qisas . Offer mercy by paying out diyyah on behalf of someone else .

This hadith discusses two important concepts in Islamic law - diyya and qisas. Diyya is an amount of money paid by the perpetrator or their family as compensation for a crime committed against another person. Qisas is retaliation - when someone has been wronged, they can choose either to accept diyya or retaliate against the perpetrator. In this hadith, we see that Prophet Muhammad offered to pay diyya on behalf of a man who was killed by members of the Khuza'ah tribe. He then declared that if anyone else was killed in future, their people would have a choice between accepting diyya or retaliating against those responsible for their death. This hadith teaches us about justice and fairness - it shows us that we should not take matters into our own hands but instead seek justice through legal means such as accepting diyya or seeking retribution through qisas. It also teaches us about mercy - even though Prophet Muhammad could have chosen to retaliate against those responsible for killing his companion, he chose instead to offer them mercy by paying out diyya on his behalf.