Sentence:  <WSD>Policing</WSD> the relationship between government and business in a free society is difficult. Businesspeople have every right to lobby governments, and civil servants to take jobs in the private sector. Governments have to find the best people to fill important jobs: there is a limited supply of people who understand the financial system, for example. 
Meaning of the word marked with <WSD> tags:  To enforce the law and keep order among (a group).