question #2 Sahih al-Bukhari 6759, Book 85, Hadith 36 : How does the relationship between a slave and their master change upon manumission in Islam?

When Aisha intended to buy Barira, she said to the Prophet, “Barira’s masters stipulated that they will
have the Wala.” The Prophet (ﷺ) said (to Aisha), “Buy her, as the Wala is for the one who manumits.”