taxman
noun
TAX uk/ˈtæksmæn/ usthe taxman informal
GOVERNMENT
a way of referring to the government department that is responsible for collecting taxes:
Retailers are obliged to show their receipts to the taxman.
In this report we tell you how to outwit the taxman and hang on to more of your savings.
someone whose job is to collect taxes:
This was an interesting gathering of headmasters, journalists, taxmen, IT men, civil servants, and wine buyers.