[1] Gabriel was born in 1975 in Sallent de Llobregat, a working-class town located 70 kms north of Barcelona, to a mining and trade union family originating in Southern Spain.

She has been a part-time instructor at the College of Law of the same university and has worked giving professional support of the Childcare Department of the Generalitat de Catalunya and the town councils of Manresa and Gironella.

[3] She was spokeswoman for the Catalan pro-Independence campaign "Independència per canviar-ho tot" (Independence to Change Everything) and councilor of the City Council of Sallent between the years 2003 and 2011.

[5] In 2017 she published, with David Fernàndez, the book Al principi de tot hi ha la guerra, based on August Gil Matamala's biography.

[15][16][17] On 21 March 2018, the magistrate of the Supreme Court Pablo Llarena finally decided to reduce the charge to disobedience (article 410 of the Spanish Penal Code[18]), an offense that does not entail a prison sentence.