Txabi Etxebarrieta also known as Xabier Etxebarrieta Ortiz was a Basque nationalist

Basque nationalism

Basque nationalism is a political movement advocating for either further political autonomy or, chiefly, full independence of the Basque Country in the wider sense...

 and anti-fascist who was a popular leader of the armed separatist organisation Euskadi ta Askatasuna (ETA). He was killed after a confrontation with the Guardia Civil. He was born in Bilbao

Bilbao

Bilbao ) is a Spanish municipality, capital of the province of Biscay, in the autonomous community of the Basque Country. With a population of 353,187 , it is the largest city of its autonomous community and the tenth largest in Spain...

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Etxebarrieta was a major ETA leader in the 1960s, known as being behind the first killing of the Basque organization. Etxebarrieta was also the first member of ETA killed in action.