Is it permissible to take back a loan from a man most of whose wealth is haraam?

No File Exists
Check below answers in case you are looking for other related questions:
Taking from one who deals in haraam things
Invitation to a dinner given by a riba-based bank

No File Exists
Related Answers:
Should he accept his father’s money that was earned from haraam sources?
Ruling on working for or buying magazines whose content is mostly haraam, as is the case with many women’s magazines, both Arabic and western
Is it permissible to use the public water supply for washing cars?
Taking from one who deals in haraam things
Invitation to a dinner given by a riba-based bank

Recommended answers for you:
Mawlid al-Nabi (the Prophet’s birthday)
Resisting sexual desires
Reasons for the punishment in the grave
Ruling on shaving the beard
Celebrating the night of the Isra’ and Mi’raaj