Does the detail regarding boycotting those who commit sins include one who commits an act of disbelief?
Machine translationRead the Arabic original
The questioner : And we said the specification is for those other than the people of sins; does it include one who commits many sins or lawful acts?
The Shaykh : No, no.
The questioner : One who abandons, for example, the prayer.
The Shaykh : No.
The questioner : No.
The Shaykh : This is a disbeliever; he is not a believer. The Messenger (peace and blessings be upon him) said that it is not permissible for one to boycott his brother, meaning the believer, for more than three days.
The Shaykh : No, no.
The questioner : One who abandons, for example, the prayer.
The Shaykh : No.
The questioner : No.
The Shaykh : This is a disbeliever; he is not a believer. The Messenger (peace and blessings be upon him) said that it is not permissible for one to boycott his brother, meaning the believer, for more than three days.
Source
قناة «فضيلة الشيخ محمد بن صالح العثيمين»، 457- هل التفصيل في هجر أصحاب المعاصي يشمل من فعل مُكفِّراً؟ - ابن عثيمين — youtube.com
The Arabic text is a machine transcription of the audio recording.