In this fanfic, it's possible that the villagers who are also part of the Wave mission team could betray Naruto. They have always been a bit distrustful of Naruto, and when he becomes godlike, their fear and envy get the best of them. They might see his power as a threat to their normal lives and future in the village, and thus choose to side against him during the Wave arc.
It could be Sasuke. He might be jealous of Naruto's new power and feel overshadowed. So at Wave, he decides to betray Naruto to prove his own worth.
The story of 'godlike naruto betrayed at wave fanfiction' could go like this. Naruto has achieved a godlike level of power. In the Wave arc, his village might be under some sort of political pressure. His so - called friends or allies, in order to please certain powerful figures in the village, choose to betray Naruto. They might believe that sacrificing Naruto will save the village from greater harm. This could lead to Naruto having to fight not only the external enemies in Wave but also his former comrades, which would be a really sad and complex situation for him.
It could be Zabuza. He might pretend to be on Naruto's side at first during the Wave events and then betray him when Naruto least expects it. Zabuza is a mercenary and his loyalty can be easily swayed.
It could be Sakura. Maybe she becomes envious of Naruto's newfound godlike status. She might feel that he has changed too much and is no longer the Naruto she knew. So, she could side with those who want to bring Naruto down, either out of jealousy or a misguided sense of what's right for the village.
One possible scenario could be that Naruto's girlfriend betrays him because she is jealous of his godlike powers. Maybe she feels overshadowed and in a moment of weakness, she aligns herself with Naruto's enemies. It could lead to a great internal conflict for Naruto, having to face not only external threats but also the pain of betrayal from someone he loved.
One idea could be that in the fanfiction, Hinata is under the influence of a powerful genjutsu. This genjutsu makes her see Naruto as a threat to the Hidden Leaf village. So, she betrays him to protect the village in her distorted view. It could lead to a lot of inner conflict for Hinata once she realizes the truth and Naruto having to deal with the pain of her betrayal.
There's a chance that some of his former teammates who have their own insecurities. For example, someone who always felt in Naruto's shadow might be the one to betray him in order to get more recognition for themselves.
Sasuke could be a likely candidate. He's always been somewhat jealous of Naruto's growth and popularity. In the stress of the Forest of Death, he might let that jealousy get the better of him and betray Naruto. Maybe he thinks that by getting rid of Naruto, he can be the only strong one in the team.
One possible plot could be that Naruto, with his godlike powers, is betrayed by the village he once swore to protect. Maybe the villagers grow jealous of his strength and start to spread false rumors about him being a threat. As a result, Naruto, feeling hurt and betrayed, decides to leave the village and embark on a journey alone, facing new challenges and enemies outside the familiar setting of the Hidden Leaf.
The village elders could be the main antagonists. They might see Naruto's godlike powers as a threat to their traditional way of ruling the village and decide to get rid of him. Another option could be a secret organization within the village that wants to use Naruto's power for their own evil purposes and when he refuses, they turn on him.
It could be that Naruto, with his godlike powers, enters the Danganronpa world and tries to stop the killing games. He might use his abilities like the Rasengan or Shadow Clone Jutsu to protect the students.