Mixing with those selling haraam

Dear and respected Mufti sab. I’m asking you about the seal and buy in America many Arab, Yemen, Sudan, Somali, Burma, Bosnian, Nepal, Lao, Pakistan, India, Vietnam, and Spanish live together and work together. Then most of the Arab people are doing evermore shops market. Arabs sell pork alcohol, lottery and any other forbidden things in Islam. like that mingled halal haram and I’m hanafi they are shawafee whatever I need to know between different mazahabs. please explain to me. can we do it or we can’t do that?

best regards.