The term Minister have many usages in the Catholic Church, but the term often refers to that person who has the duty to act on behalf of the Church. A minister is also a person who ministers a sacrament. It is a function that can be occupied by different persons, depending on the sacrament. The word minister is not used as a form of address when speaking with a Minister. The average Catholic Minister salary is $15,000-$18,000 per year.