Massallah pertaining to providing items to a night club

Question

Asalaamu Alaikum,
If I have a cabinet making business and a nightclub owner asks me to make furniture and fit it in his nightclub.
1.Is it haraam for me to supply and fit my furniture in his club?
2. If it is haraam, how does one say no to the nightclub owner?
Shukran

zha654 · Answer

1) Make the units and tell someone else to fit it.
2) Explain above.