"before taking Holy Orders"
The taking of Holy Orders at Fontgombault Abbey, France
Public DomainThe taking of Holy Orders at Fontgombault Abbey, France - Credit: Smith2006, Wikimedia Commons
Holy Orders are the various ranks (such as bishop, priest and deacon) held by those ordained in the Orthodox, Roman Catholic, and Anglican Churches.

It is also the name given to the sacrament or the rite of ordination.

One may, therefore, be in Holy Orders or one may take Holy Orders.