Abdullah ibn AbuSarh used to write (the revelation) for the Messenger of Allah ﷺ. Satan made him slip, and he joined the infidels. The Messenger of Allah ﷺ commanded to kill him on the day of Conquest (of Mecca). Uthman ibn Affan sought protection for him. The Messenger of Allah ﷺ gave him protection. (Using translation from Abū Dāʾūd 4358)
«كَانَ عَبْدُ اللَّهِ بْنُ أَبِي سَرْحٍ يَكْتُبُ لِرَسُولِ اللَّهِ ﷺ فَلَحِقَ بِالْكُفَّارِ فَأَمَرَ بِهِ رَسُولُ اللَّهِ ﷺ أَنْ يُقْتَلَ فَاسْتَجَارَ لَهُ عُثْمَانُ فَأَجَارَهُ رَسُولُ اللَّهِ ﷺ» صَحِيحٌ عَلَى شَرْطِ الْبُخَارِيِّ وَلَمْ يُخَرِّجَاهُ على شرط البخاري