Answer: 1. They practiced chanting while they wait for the Pharaoh
2. Sometimes the priests worked as judges or teachers, but their main job was to stay in the temple 3 months out of every year, in which they wouldn't leave the temple.
3. A priest is ordained to celebrate the sacraments, and to become holy and close to God. For the former, he needs the appropriate vestments, holy oils, bread, wine, water, and altar, a Missal, and a Lectionary. for the later, he needs prayer, a Breviary, and daily time given to God in meditation.
