[1] Taking the religious name Christian, he made his solemn profession on 1 November 1981, and was ordained a deacon on 26 December 1981 by Archbishop Franz Jachym.
[1][2][3] In 1983, Feurstein began his priestly ministry as pastor of a parish in Wiener Neustadt, a position he held in 1987, and until 1988 he was an assistant teacher at Heiligenkreuz Abbey.
[1][3] In 2013, Feurstein was accepted into the Order of the Holy Sepulchre with the rank of Knight Commander with Star, and was invested by Grand Master Cardinal Edwin Frederick O'Brien on 21 September 2013 at the Mondsee Abbey basilica.
[1] He resigned from the office of abbot on 9 March 2015 due to his severe heart disease, and returned to Heiligenkreuz Abbey, where he spent the last two years of his life.
[1] Bishop Wilhelm Krautwaschl said about his death: "Abbot Christian was a special phenomenon in all his meetings with his kind and sympathetic charisma.