Definition of: wallah

(wä′lä) noun
Anglo–Indian A person engaged in a specified occupation or activity, as a merchant, vender, agent, worker, or servant; popularly and somewhat contemptuously, a man or fellow. Also wal′la.
—punka–wallah The servant whose job it is to keep the punka in motion. [<Hind. –vālā, suffix indicating a personal agent]