Priest

Priest a is a class found in the world of Skeleton Knight In Another World.

Background
For the title of priests, it normally refers to people who are capable of healing magic.

Game Worlds
In games, the title of priest referred to a magic class.

Other World
In the Other World, priests were members of the clergy of religious institutions such as the Hilk Church.

Abilities
In the Other World, priests can use healing magic and curse removal spells.

Though in for Arc's game mechanics, there appears to be different tiers, where in the top-tier, a priest had access to the Rejuvenation spell, which would bring someone back to life with full health

Trivia

 * When Arc used healing magic on Senna's broken leg, she inferred from the power of healing magic that he must have been a famous priest.