wallah

noun

One employed in a particular occupation or activity.

noun

An important person in a particular field or organization.

noun

A black variety of the jaguar; — called also tapir tiger.

interjection

Common misspelling of voilà.

noun

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

noun

A guy or bloke.

noun

usually in combination: person in charge of or employed at a particular thing