If a father sells his son, does he become a slave?

Question:
May Allah reward you, Your Eminence, father. The questioner asks: If a father sells his son, is he considered a slave? Do the rulings of slavery apply to him?

Answer:
It is not permissible for a son to be a slave, and it is not permissible for his father to sell him. We told you that there is no slavery except through jihad only. There is no legitimate source of slavery in the Shari'ah except through jihad. Yes, and it is never permissible for a father to sell his son because he is free. Yes.