Green’s Dictionary of Slang

gowk n.

[gook n.2 (2)]

a peasant, a tramp.

[Aus]Crowe Aus. Sl. Dict. 33: Gowk, a countryman.
[UK]M. Marshall Travels of Tramp-Royal 3: Before I begin to pester you with this giddiest of gowks’ errands.