He was issued fines he constantly refused to pay his fines now he is paying the price for it in the terms of jail time. This is not some kind fo wrongdoing on behalf of the government its simply dishing out justice for a crime. Anybody arab or Jew if they constantly refuse to pay fines will get the same punishment.
World Jewish Congress: Nazi train treasures must go to rightful owners (Reuters)
from the article: East Jerusalem bagel vendor gets 10-year jail term over unpaid fines