(1)
"district " includes a presidency-town;
(2)
"Collector " means the chief officer in charge of the land-revenue administration of a district; and
(3)
"defaulter " means a person from whom an arrear of land-revenue, or a sum recoverable as an arrear of land-revenue, is due, and includes a person who is responsible as surety for the payment of any such arrear or sum.