In the case of Groden it's sort of like the employer (taxpayer) being persecuted by his employees (public servants).
Here are some examples of patronage in order of diminishing accountability: Employer-Employee, Consultancy-Client, HugeStore-Customer, Government-Subject, Mugger-Victim.
If they buy anything in a state with sales taxes, they pay sales taxes.
If they legally own a car, they pay vehicle taxes. If they buy gas for that car, they pay gas taxes.
Nearly every man, woman, and child in the United States pays taxes.