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]. (ES)
App reference (ES): Book 18, Hadith 86 (ES)
Arabic/English book reference (ES): Book 18, Hadith 1596 (ES)