Angelique Chrisafis and Julian Borger write: When António Guterres resigned halfway through his second term as Portuguese prime minister in 2002 because his minority government was floundering, he did something unusual for a man who had seen the highest reaches of power.

Several times a week, he went to slum neighbourhoods on the edge of Lisbon to give free maths tuition to children.

“He never allowed a journalist to go with him or let himself be filmed or photographed, and he never let journalists talk to any of his students,” said Ricardo Costa, editor-in-chief of the Portuguese SIC News, who covered Guterres’s political career. The former prime minister told his surprised students that what he was doing was personal and not for show.

The Portuguese socialist, who becomes the next UN secretary general on Sunday, is an intellectual who grew up under Portugal’s dictatorship and came of age with the 1974 revolution that ended 48 years of authoritarian rule.

Crucial to understanding Guterres, 67, is his Christian faith: his progressive Catholicism always informed his brand of social democratic politics.

In the heady days of Portugal’s revolution, it was rare to be a practising Catholic in a new Socialist party where many members had Marxist backgrounds. But Guterres, a star engineering student who grew a moustache in honour of the Chilean left’s Salvador Allende, would eventually become a modernising leader, arguing that his mission was social justice and equality. [Continue reading…]