My niece convinced me to play Pokémon Go—a game played on a smartphone, using the phone’s camera. The object of the game is to capture little creatures called Pokémon. When one appears in the game, a red and white ball also appears on the phone’s screen. To capture a Pokémon, the player has to flick the ball toward it with the movement of a finger. Pokémon are more easily caught, however, by using a lure to attract them.

Pokémon characters aren’t the only ones who can be lured away. In his New Testament letter to believers, James, the brother of Jesus,…