He could also interact with the scientists on Pandora. They might be interested in Naruto's abilities and study him. Naruto could in turn learn about their technology, which is so different from what he has in his own world. He might even help them solve some problems they have on Pandora using his ninja wisdom.
There could be some new, mysterious creatures on Pandora that Naruto interacts with. These creatures might have unique abilities that Naruto has never seen before. He could communicate with them in some way, either through his ninja skills or by learning the ways of Pandora, and form an unexpected bond with them.
Well, one possibility could be that Naruto has to adapt to Pandora's unique environment. Maybe he uses his ninja skills to survive among Pandora's strange creatures. For example, his ability to run on trees might help him navigate the floating mountains.
He could interact with Mei Terumi, the Mizukage. She might be initially cautious of Naruto but then see his potential and work with him. Also, Chojuro, as he is one of the important ninjas in Kiri. They could train together or go on missions side by side.
He could interact with Ruby. Naruto's energetic and positive nature would contrast well with Ruby's enthusiasm for being a huntress. They could learn from each other's combat styles, like Naruto showing Ruby some of his acrobatic ninja moves and Ruby teaching Naruto about using a scythe.
He could interact with Luffy. They both have a strong sense of justice and a love for adventure. Their meeting would be really interesting as they could exchange stories about their different worlds and fight side by side against the common enemies in Dressrosa.
Definitely the Na'vi. They are the native inhabitants of Pandora and would likely see Naruto as an ally, especially if he shows respect for their land and culture. His skills could be useful to them in their fight against any common enemies.
It could be about Naruto exploring Pandora's landscapes. Maybe he discovers new types of chakra related to Pandora's unique energy sources.
Tsunade would definitely be one. As the most renowned medical ninja in the village, she could either be Naruto's mentor or a colleague. They could exchange medical knowledge and experiences.
He could also interact with the new generation of ninjas in his own village who might see him as a relic of the past at first. But as they get to know him, they learn valuable lessons from his experiences. He could train them in unique ways that combine his old - school ninja techniques with the new knowledge and abilities that the new generation has developed.
Naruto might interact with Eostia's warriors. They could train together, Naruto showing them his ninja combat skills and them teaching him about Eostia - style combat. There could also be some mysterious characters in Eostia, like an old hermit who has some knowledge about Naruto's sudden appearance in their world and could guide him on his journey in Eostia.
Gaara would be an obvious choice. Since Gaara is from Suna, he could be Naruto's close friend. They could train together and share their experiences of being jinchuriki. Kankuro and Temari might also become his friends. Kankuro could teach Naruto some of his puppet techniques, and Temari could help Naruto with wind - style jutsu training.