(16) باب الأَمْرِ بِإِجَابَةِ الدَّاعِي إِلَى دَعْوَةٍ
Abu Huraira (Allah be pleased with him) used to say:
The worst kind of food is the wedding feast to which the rich are invited and the poor are ignored. He who does not come to the feast, he in fact disobeys Allah and His Messenger (ﷺ).
Reference: Sahih Muslim 1432 a
In-book reference: Book 16, Hadith 124
USC-MSA web (English) reference(deprecated numbering scheme): Book 8, Hadith 3349