Fr Diogo Rodrigues do Rosario was a Diocesan Priest who worked as the Vicar in the Church of Our Lady of Ajuda (Help), Ribandar, Goa. The Our Lady of Ajuda ( Help) Church at Ribandar was built in the Sixteenth Century. He was a Master of Arts and Promoter of the Holy Cruzade. He was also the Examiner of Confessors and Preachers.