Expedition of Ghalib ibn Abdullah al-Laythi to Banu Awal and Banu Abd ibn Tha'labah at al-Mayfa'ah in Ramadan, year 7 AH, and in it Usamah ibn Zayd killed Nuhayk ibn Mirdas after he said there is no god but Allah, so the Prophet ﷺ objected to him
Ghalib ibn Abdullah al-Laythi went out in Ramadan, year 7 AH, on an expedition to al-Mayfa'ah. In it, Usamah ibn Zayd killed a man after he had said there is no god but Allah. When this reached the Prophet ﷺ, he strongly objected to it.

Ghalib ibn Abdullah al-Laythi went out in Ramadan, year 7 AH, on an expedition to al-Mayfa'ah. In it, Usamah ibn Zayd killed a man after he had said there is no god but Allah. When this reached the Prophet ﷺ, he strongly objected to it.
It falls within the expeditions of Year 7 after Hudaybiyyah, and it shows the Prophetic teaching side of regulating combat by the rulings of the Sharia.
In Ramadan of this year: there was the expedition of Ghalib ibn Abdullah al-Laythi to al-Mayfa'ah, and in it Usamah ibn Zayd killed a man after he had said the testimony of faith, so the Prophet ﷺ objected to him.
What is meant is that this expedition was one of the expeditions of Year 7. In it, Usamah ibn Zayd made a mistake when he killed a man after he had said the testimony of faith. The Prophet ﷺ explained the danger of rushing to judge someone who shows Islam.
There were expeditions in Year 7 after the Hijrah as part of the military activity after Hudaybiyyah, including the expedition of Ghalib ibn Abdullah al-Laythi to al-Mayfa'ah.
There was a military clash in the context of the expeditions, with a practical test of being careful in judging someone who had said the testimony of faith.
It became firmly established in Muslims' educational awareness that someone who has said the testimony of faith should not be killed hastily.
It documents one of the expeditions of the seventh year and the important teaching incident that took place in it.
It shows that the testimony of faith has clear sanctity, and that the call to Islam is not separate from regulating fighting by the rulings of Islam.
It shows that the Prophetic state regulated the actions of expeditions through revelation and guidance.
It protects lives and prevents haste in judging the people.
It teaches carefulness and not rushing into killing or judgment.
It establishes a moral principle in war that sets Islam apart from chaos.
It regulates the conduct of forces in the field according to a clear legal standard.
Commander of the expedition
He took part in the expedition and killed a man after he had said the testimony of faith
The man who was killed after he said there is no god but Allah
He objected to Usamah killing the man after the testimony of faith
The sanctity of the word of monotheism and the duty to regard it.
Carefulness and piety regarding bloodshed.
Protecting society from chaos in judgments.
The armed force being subject to legal control.
Practical teaching through criticism and correction when there is an error.
The need for a higher authority to review field decisions.
Raising the value of the human being when he shows Islam.
Rushing to judge people or groups from incomplete outward signs.
It is not permitted to rush into punishment or judgment before verifying.
Setting clear rules for dealing with field and intellectual errors.
Protecting lives and preventing hasty decisions.
Carefulness and caution in judging others.
It is limited to the general lesson and does not equate the Prophetic context with the modern one.
The Prophetic context was in a military expedition under the leadership of revelation, whereas the modern one has different systems and laws.
Whoever shows the basic declaration of Islam or innocence should not be hurriedly held to account until the matter becomes clear.