A batman is an army member assigned to an officer[?]. A batman is supposed to be able to act as a "runner" to convey orders from the officer
to subordinates. He also looks after the officer’s equipment etc.
... of the census of 2000, there are 3,057 people, 1,007 households, and 753 families residing in the village. The population density is 529.3/km² (1,369.6/mi²). ...