It is not for a believer to kill a believer except (that it be) by mistake, and whosoever kills a believer by mistake, (it is ordained that) he must set free a believing slave and a compensation (blood money, i.e. Diya) be given to the deceased's family, unless they remit it. If the deceased belonged to a people at war with you and he was a believer; the freeing of a believing slave (is prescribed), and if he belonged to a people with whom you have a treaty of mutual alliance, compensation (blood money - Diya) must be paid to his family, and a believing slave must be freed. And whoso finds this (the penance of freeing a slave) beyond his means, he must fast for two consecutive months in order to seek repentance from Allah. And Allah is Ever All-Knowing, All-Wise. 92 Any one who kills a believer intentionally will be cast into Hell to abide there for ever, and suffer God's anger and damnation. For him a greater punishment awaits. 93 O you who have believed, when you go forth [to fight] in the cause of Allah, investigate; and do not say to one who gives you [a greeting of] peace "You are not a believer," aspiring for the goods of worldly life; for with Allah are many acquisitions. You [yourselves] were like that before; then Allah conferred His favor upon you, so investigate. Indeed Allah is ever, with what you do, Acquainted. 94 The faithful who sit idle, other than those who are disabled, are not equal to those who fight in the way of God with their wealth and lives. God has exalted those in rank who fight for the faith with their wealth and souls over those who sit idle. Though God's promise of good is for all, He has granted His favour of the highest reward to those who struggle in preference to those who sit at home. 95 God will grant those who strive high ranks, forgiveness, and mercy. He is All-forgiving and All-merciful. 96