Green’s Dictionary of Slang

(S.Afr.) a fool; one who has newly arrived at a township from the countryside.

[1963		Wilson & Mafeje Langa 21: All of them are stigmatized as uncouth countrymen, iibari, by the townsmen proper, but the stereotype of ibari is the flashy young man, aspiring to ooMac. [Ibid.] 130: The members of the choirs [...] belong to the ‘respectable’ section in the flats, rather than to the iibari].
1977		Casey ‘Kid’ Motsisi ‘Confessions of an Illicit Boozer’ Casey and Co. (1978) 65: Who needs a licence to sell booze or drink. Like needing a licence to buy food and permission to eat it. Those papers are for baaries man.
1982		D. Bikitsha in Rand Daily Mail 14 Oct. (Eve) 5: If you were a man-about-town and ‘clever’ or ‘fly’ as some of the adjectives of this new slanguage described, you spoke tsotsi taal. If you used the old hackneyed vernaculars you were termed a ‘barry,’ ‘mogo,’ ‘streepkop,’ ‘jackaja,’ ‘kararow’ or plain yokel [DSAE].
1987		N. Mathiane in Frontline Oct. 34: In the street it is either joining the gang (carrying knives, harassing girls and getting drunk) or be seen as a ‘barrie’ (bum) and be humiliated for not being ‘with it’ [DSAE].