الغفار
كلمة (غفّار) في اللغة صيغة مبالغة من الفعل (غَفَرَ يغْفِرُ)،...
Abu Hurayrah (may Allah be pleased with him) reported that the Prophet (may Allah's peace and blessings be upon him) said: "No son can repay the kindness of his father unless he finds him a slave and buys him and emancipates him."
شرح الحديث :
The son can never repay his father for all the good he has done or fulfill all the rights his father has over him, except if the father was a slave and the son emancipated him by buying him (from his master) and setting him free.