Sahih al-Bukhari, Hadith 6269 ⓘ
Narrated Ibn `Umar: The Prophet said, "A man should not make another man get up from his (the latter's) seat (in a gathering) in order to sit there.
حَدَّثَنَا إِسْمَاعِيلُ بْنُ عَبْدِ اللَّهِ، قَالَ حَدَّثَنِي مَالِكٌ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " لاَ يُقِيمُ الرَّجُلُ الرَّجُلَ مِنْ مَجْلِسِهِ، ثُمَّ يَجْلِسُ فِيهِ " .
also referenced under: Book 79, Hadith 43 (In-Book) & Volume 8, Book 74, Hadith 286 (USC-MSA)