Elffin

Elffin is a playable character in Fire Emblem: The Binding Blade. He is a bard who fights for the rebellion in the Western Islands. He joins Roy's army when they save the villagers from the corrupt Etrurians and their hired bandits.

In the army, he can play the role of a fortune teller or of a Bard depending on the route.

(Source: Fire Emblem Wiki)