What is the ruling on eating beef that the country imports via smuggling and bribery?

He gives an employee of the company a percentage to arrange a meeting between him and the manager

Hotel employee taking commission from taxi drivers for giving them passengers

He works in a restaurant and takes tips with the knowledge of the owner

Owner of a medical laboratory giving doctors some money so that they will send their patients to him

Giving gifts in order to win contracts

Should he pay money for the employee to expedite the paperwork he needs to get married?

Can he accept help from the state?

Giving the representative money to buy from him

Using an intermediary (waasitah) to avoid military service