To state the obvious, that's why you pay a lawyer.
In a word, yes. If you buy the land you are buying any debts or liens on that land. That's why you pay people to search for such problems beforehand. Frankly your lawyer will prefer that you consult him before you even sign an offer to purchase, or he may not be able to get you out of a bad deal without a loss.a) Could he sell it to me then when I register the land it hits the municiplaities radar - could they try to get me to pay the property taxes from 83-now that he owed or worse try to take the land?