Well, in the fanfiction, Iruka may be protective by constantly checking on Naruto's well - being. He could ensure Naruto has enough to eat, is getting proper training, and is not being bullied by other villagers. He might also be protective in the sense that he gives Naruto extra attention and guidance in his ninja training, more so than he would for other students.
It also improves Naruto's skills a great deal. He becomes better at combat and using his ninja techniques. For example, his Rasengan might be more powerful or more easily controllable after Iruka's training. Moreover, Naruto's confidence grows under Iruka's guidance. He no longer doubts himself as much and is more willing to take on challenges.
One scenario could be when some villagers start to be mean to Naruto. Iruka steps in and scolds them, telling them Naruto is just a kid. Another could be during a training exercise that gets a bit too dangerous for Naruto, and Iruka quickly intervenes.
Iruka influences Naruto's early development by being a positive role model. Naruto looks up to Iruka and wants to be like him. Iruka's kindness and belief in Naruto give Naruto the confidence to start believing in himself.
Physically, Iruka takes care of Naruto's symptoms. If Naruto has a cough, Iruka might make him herbal tea to soothe his throat. If Naruto has a fever, he uses cold compresses to bring the temperature down. He monitors Naruto's condition closely and adjusts his care accordingly, making sure Naruto is on the road to recovery as quickly as possible.
At first, it might start with Iruka showing simple kindness to Naruto, like making sure he has enough to eat. As time goes on, Naruto starts to see Iruka as a father figure. He looks up to Iruka and wants to make him proud.
One main theme is the importance of mentorship. Iruka being protective of Naruto shows how a good mentor can change a student's life. Another theme is friendship. Iruka's protectiveness is a sign of his deep friendship with Naruto. Also, the theme of family is present as Iruka often acts like a family member to Naruto, providing the love and care that Naruto lacks. For example, in many fanfictions, Iruka gives Naruto advice like a father would.
Iruka's training can make Naruto more skilled. Since Iruka is a good teacher, he can help Naruto improve his ninja techniques.
One popular 'iruka protective of naruto fanfiction' is 'Iruka's Unwavering Support'. In this fanfic, Iruka is constantly looking out for Naruto, from protecting him against bullies in the village to ensuring he has enough to eat. Another great one is 'Iruka: Naruto's Guardian'. It shows how Iruka steps in when Naruto faces difficult situations during his ninja training, guiding him and shielding him from harm. There's also 'Iruka and Naruto: A Bond Beyond Measure' which delves deep into their relationship, with Iruka being extremely protective in both emotional and physical ways.
It could be that he believes fanfiction sometimes goes against the intended spirit of Naruto. Fanfiction might include elements that he doesn't approve of, like changing the characters' personalities in a way that he thinks is wrong. For example, if a fanfiction makes Naruto overly mean or out of character, Iruka, who has a deep understanding of Naruto's true nature, would dislike it.
Initially, Naruto might be a bit hesitant to fully embrace this new family situation. But Iruka's kindness and Anko's enthusiasm would gradually break down his walls. Iruka would continue to be Naruto's academic and moral guide, as he always has been. Anko would introduce Naruto to a more carefree and adventurous side of life. They would have family outings, training sessions together. As Naruto grows, he would start to understand the value of having them in his life, and they would be proud of his every achievement, forging a deep and loving bond.