By 1975, he was heading the metalworkers' union and, throughout the 1970s and 80s, he helped organise major strikes in defiance of Brazil's military rule.
Sannadkii 1975-kii wuxuu hogaaminayay urur ay ku mideysnaayeen shaqaalaha dhanka biraha, wuxuuna guud ahaan sannadihii 1970-meeyadii iyo 1980-meeyadii gacan ka geysanayay qaban qaabinta shaqo joojin iyo mudaharaadyo looga soo hor jeeday xukunkii milatariga Brazil.