Hadith 8:2372
Abu Bakr narrated to us, he said: Hafs narrated to us, from Ja'far, from his father, from Ali, who said regarding the elderly man: He should equip a man with his expenses, so he performs Hajj on his behalf.
حدثنا أبو بكر قال حدثنا حفص عن جعفر عن أبيه عن علي قال في الشيخ الكبير قال يجهز رجلا بنفقته فيحج عنه