Holy Orders in the Church consists of the major orders: Bishop, Priest, and Deacon.from Modern Catholic Dictionary by John A. Hardon, S.J. Doubleday & Co., Inc. Garden City, NY 1980 Orders,...
Deacon, Priest, and Bishop.
Decon, Priest, & Bishop.
Bishop, priest and deacon are the three levels, or degrees of Holy Orders, also known as the: 1. episcopate 2. presbyterate 3. diaconate.
It is the sacrament in which one becomes a priest.