Types of Blood-Wit (Kitab Al-Diyat)
Dawud :: Book 39 : Hadith 4573
Narrated Imran ibn Husayn:
A servant of some poor people cut off the ear of the servant of some rich people. His people came to the Prophet (peace_be_upon_him) and said: Apostle of Allah! we are poor people. So he imposed no compensation on them.