Dictionary Definition

wallah n : usually in combination: person in charge of or employed at a particular thing; "a kitchen wallah"; "the book wallah"

User Contributed Dictionary

From Hindi -wālā 'man, person in charge', from Sanskrit pāla 'protector'

A servant or other person responsible for something, often specified after it, for example kitchen wallah.

1931 - Kindly take one of my cigarettes, sir. Do you not admire my new silver case, sir? From the boxwallah, two rupees eight annas. - A Hanging, George Orwell
A guy or bloke.

wallah!

The term Wala can refer to:

Wala (Chinese author), (official author site) http://wala.us
Wala (goddess), a sun goddess in Australian Aboriginal mythology
Wala (volcano), a volcano in Papua New Guinea
Wala, the Old High German word for a völva, a witch
Wala of Corbie
Wala Ward, Kwimba District, Tanzania
Wala language (Solomon Islands)
Wala people
Walo (rodent), a variety of gerbil from Somalia.
in India, the suffix -wala (or -wallah), indicating a person involved in some kind of activity; see, for example, the articles on Dabbawala and Auto-wallah.
Weighted Average Loan Age, a term relating to mortgage-backed securities
Waalo, an empire of Senegal and Mauritania between the 13th and 19th centuries
In the Pangasinan language, wala means "there is".
In the Tagalog language, wala means "nothing".
Wallah - By Allah
Wala (Island), A small island in Vanuatu, and a popular destination for cruise ships.
WALA-TV, a FOX station in Mobile, Alabama
WALA, Acronym for Weighted Average Loan Age, used in finance