There shall be, for the purposes of this Act, the following classes of tenants, namely :-
(1) tenure-holders, including under-tenure-holders;
(2) Raiyat, namely :-
(a) occupancy-raiyats, that is to say, Raiyats having a right of occupancy in the land held by them,
(b) non-occupancy Raiyats, that is to say, Raiyats not having such a right of occupancy, and
(c) Raiyats having khunt-katti rights;
(3) under-raiyats, that is to say, tenants holding, whether immediately or mediately, under raiyats; and
(4) Mundari khunt-kattidars.