He joined the Order of Friars Minor Capuchin and took his solemn profession on 26 September 1966.
He also served as Provincial Minister of the Maltese Capuchin Province.
[2] In 2011 Pope Benedict XVI appointed him bishop of Malindi in Kenya and on 1 October 2011 he was consecrated by Cardinal John Njue.
On 1 November 2013 Barbara was appointed Apostolic Administrator of the Archdiocese of Mombasa after the see fell vacant because of the resignation of Archbishop Boniface Lele.
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