Taking a card and giving money to its owner and five other people, in a pyramid scheme

He is afraid that if he returns money that he stole before he was guided, he will be found out. What should he do?

His boss gave him the job of following up on some technical drawings, and he managed to save some money on that

Is it permissible for him to take the money left over by the students after a trip because he was not paid anything for supervising?

He is trying to get out of paying back to the property bank on the grounds that he has a right in the bayt al-maal

She works for a company that is partly owned by two riba-based banks. Is her work haraam?

He adds his brother’s produce to his own so that the government can market it without (the government) knowing

He is not going to be transferred, so should he take the relocation costs?

He wants to open a restaurant in which men will mix with women

Where should he deposit his mon\ey in these times when riba is so widespread?