Belhaouane was responsible for the youth organization of the Neo Destour nationalist party, which had been founded four years earlier.

"[1] Guiga studied law and history at the University of Algiers (1944–47), where he met his future wife Chacha, a painter.

[2] Guiga was appointed Minister of Education in 1973 after the general strike against the Arabization program advocated by Mohammed Mzali.

He was uninterested in reform, saying in a press interview that the more important task was to stabilize and control the education system.

The goal of providing universal primary education had been abandoned by October 1973, and the emphasis was now on improving quality.

[1] In January 1980 he was named Minister of the Interior through the influence of President Bourguiba's wife, Wassila, shortly before Nouira left office.

[5] His career was ended by the Tunisian bread riots of December 1984 – January 1984, after which Bourguiba demanded his resignation.

[1] As an exile in London Guiga worked for the Saudi businessman Chamseddine el-Fassi, president of a foundation that promoted Sufism.