Is it permissible for a Muslim to sell alcohol to a non-Muslim, and is the sustenance sent by a husband who works in selling alcohol and pork permissible or forbidden?

What has been attributed to Abu Hanifa regarding the aforementioned issue is his madhhab, and the madhhab of his companion Muhammad ibn al-Hasan. Abu Yusuf and al-Shafi'i differed with them. The preponderant view is that this earning is unlawful (haram), and one must dispose of it by spending it on the welfare of Muslims. It is permissible for the creditor to collect his debt from it. As for the story of the Prophet, peace and blessings be upon him, wrestling Rukana, it has been narrated that they agreed upon a sheep for a sheep with each wrestling match.