6 characters match your filters.
Kenji
Kenji is a sake seller and small-time swindler who keeps dragging Jin into his schemes. He smuggles Jin and Yuna into Azamo Bay to free Taka, then pops up with his own three-part Kenji's Tales. In the Iki Island expansion his trouble with a smuggler is how Jin gets to Iki.
Masako Adachi
Lady Masako Adachi is the only survivor of Clan Adachi and one of Jin's allies. Her husband and sons die in the Mongol landing and the rest of her family is murdered the same night. Her side storyline, Masako's Tales, has you hunting the people behind that massacre.
Norio
Norio is a warrior monk of Cedar Temple who fights with a naginata. Jin frees him from Fort Ito. His nine-part storyline, Norio's Tales, follows his fight to win back his temple in Jogaku and find out what happened to his brother Enjo.
Sadanobu Ishikawa
Sensei Ishikawa is a famous archer and one of Jin's allies. He teaches Jin the bow and sends him after Tomoe, the student who now trains Mongol archers. His nine-part storyline, Ishikawa's Tales, starts with The Tale of Sensei Ishikawa in the main story.
Taka
Taka is Yuna's younger brother and a gifted blacksmith. Jin and Yuna rescue him from Azamo Bay, and he forges the grappling hook that gets Jin into Castle Kaneda. He is gentle and not much of a fighter, but he wants badly to help the Ghost.
Yuna
Yuna is a thief from Yarikawa and Jin's closest ally in Ghost of Tsushima. She pulls him off Komoda Beach, teaches him to fight from the shadows and coins the name Ghost. She also has her own four-part storyline, Yuna's Tales, about the slavers who stole her childhood.