He could be betrayed by a false friend in the DxD world who spreads lies about him. For instance, telling others that Naruto has a hidden agenda to take over their realm.
Naruto would likely be deeply hurt. He is a character who values friendship and loyalty highly. Being betrayed by someone he might have considered an ally like Rias would be a huge blow to his emotional state.
His reputation in the ninja world could be damaged. If Padme spreads false information or reveals his secrets, other ninja might view Naruto differently. They could see him as a liability or a threat. This could lead to him being isolated in the ninja community, and he might have to fight harder to prove himself again.
Naruto would be devastated. He has always valued his friends highly, and their betrayal would shatter his world. He would likely feel a deep sense of loneliness and confusion. His self - confidence might take a huge hit as he wonders what he did wrong. For example, he might start doubting his own worth and his ability to make good relationships.
The themes usually include revenge. After being betrayed, Naruto may be tempted to seek revenge on those who wronged him. Also, redemption is a theme. Sometimes, the ones who betrayed Naruto later realize their mistake and try to make amends. And there's always the theme of growth. Naruto grows stronger, both physically and mentally, through the experience of betrayal.
One popular 'Naruto betrayed' fanfic might be 'The Betrayed Hokage'. In this fanfic, Naruto is wrongly accused of a crime he didn't commit and is shunned by the village. It shows his struggle to prove his innocence and regain the trust of his friends. Another could be 'Naruto's False Accusation', where political intrigue within the village frames Naruto, leading to his feelings of betrayal.
It could mean that in some fan - created fictional works, Naruto is depicted in a way that goes against his original character, like making him do things he would never do in the official story. This can be seen as a 'betrayal' of the essence of Naruto as a character.
Naruto would be devastated. He has always idolized his father, so being betrayed by him would shatter his world. At first, he might be in denial, not wanting to believe that Minato could do such a thing.
He would likely feel a great sense of anger. Naruto has a strong will, and this betrayal would fuel his anger. He might be determined to find out the truth and get revenge on those who wronged him. At the same time, he would also be in deep pain. It's like losing the most important thing in his life. This emotional turmoil could lead to a change in his personality, making him more withdrawn and less optimistic than before.
He could also try to talk to them directly, despite the betrayal. Naruto has always believed in the power of communication and the bonds between people. He'd want to understand why they thought he was worthy of betrayal and try to convince them that they were wrong.