Abu Khirash Hadrad bin Abu Hadrad Al-Aslami (May Allah be pleased with him) said:
I heard the Prophet (ﷺ) saying, "Whosoever forsakes his brother for a year is like one who sheds his blood."[Abu Dawud].
App reference: Book 18, Hadith 86
Arabic/English book reference: Book 18, Hadith 1596