Lindsi is a little girl who lives on Pirate isle. Her along with Jimmy and Alan look up to Vyse and admire his attitude and heroism.
In game
Lindsi offers some extra swashbuckler rating for Vyse when she makes him promise to return safely to pirate isle when Vyse goes to Valua to rescue his father.
Lindsi is also the one that suggest Vyse should take Pow in as a crew member.