NPCs (Non-Playable Characters) are obviously, non-playable characters.
“Earl is the Horse Stable's shopkeeper. He tells you how to buy a horse. "We sell the finest...Earl
“Strider is a bad guy. He tells you more about the Alignment Points. "Ah, maybe you've noticed...Strider
“Gustaf is a guard. He walks in a sideways pattern on Balamb Island Port. Like most guards he...Gustaf (Guard)
“The Delta Garden Shop's Shopkeeper is the only NPC in the shop. He welcomes you in. "Welcome to...Delta Garden Shop's Shopkeeper