Green’s Dictionary of Slang

(W.I.) a belligerent, aggressive, coarse person.

1959		cited in Cassidy & LePage Dict. Jam. Eng. (1980) 374/2: /ranggatan/ a person of bad (i.e. disorderly) behavior.
1996		Allsopp Dict. Carib. Eng. Usage 465/2: rang a tang [...] rango [...] A coarse, undisciplined man or woman; a rough, belligerent person.