Saint Oleguer, also known as Oleguer de Barcelona, was a prominent figure in the early 12th century. He served as the Bishop of Barcelona and was known for his dedication to the Christian faith and his efforts in promoting education and social justice. His leadership helped strengthen the church's influence in the region. Oleguer is often remembered for his role in the Reconquista, the effort to reclaim the Iberian Peninsula from Muslim rule. He was also a supporter of the Catalan culture and worked to improve the lives of the people in his diocese, making him a respected and beloved saint in Catalonia.