In which I come from, and I know that the which means is identical in Mexico, "chusma" is accustomed to confer with "reduced course" men and women. The top English equal I can think of is "riff-raff" Historia de un comerciante que por una trifulca con asesinato acaba en galeras, https://front-doors-norwich74062.weblogco.com/33611930/chusma-things-to-know-before-you-buy