Ji

Race: Goblin (Day 1)

Hobgoblin (Day 61)
Half-Saint Lord (Day 81)
Saint Lord (Day 197)
Sereneness King (Day 244)
Affiliation: Goblin Community, Parabellum
Corp : Prière

Ji was the first to become a Cleric amongst those in Parabellum. Hence he became the leader of the medical corps, Prière.

(Source: Re:Monster Wikia)