One popular 'Read World Teacher' light novel could be 'Isekai Quartet'. It brings together characters from different light novel worlds in a school setting which is quite unique and interesting.
They also show the teacher as a guide. In light novels, the teacher character may lead their students or followers through difficult situations. In 'Log Horizon', Shiroe is like a teacher to the other players in the game world. He uses his understanding of the game mechanics to teach them how to survive and thrive in this new, real - like virtual world.
One common theme is self - discovery. The world teacher often discovers new things about themselves as they teach in a different world. For example, they might find out they have abilities they didn't know before.
A common theme is power and its usage. In 'world teacher light novel', the main character has certain powers or knowledge that he imparts or uses to influence the world around him. Similarly, in 'Overlord', the protagonist's overwhelming power shapes the world he is in.
Typically, they might feature a teacher figure as the central character. This teacher would likely have a big influence on the students in the Marina World. For example, they could inspire the students to overcome difficulties.
'Sword Art Online' can also be considered. It involves a virtual world setting where the characters are immersed in a new and dangerous environment, much like how the characters in 'world teacher light novel' might face different situations in their respective world. It has elements of adventure, action, and character development.
The Strongest Emperor Teacher of the Myriad Worlds was a fantasy novel. It told the story of a young man who walked out of an ancient jade and returned to the era of the emperors. He had the strongest emperor teacher system, which allowed him to take in disciples and obtain supreme mantras, becoming the strongest emperor teacher in the myriad worlds. This novel combined cultivation and modern technology to create a unique modern cultivation civilization. The author described the protagonist's cultivation realm and battle experience, showing his rise and growth in the myriad worlds. The novel was being published on the literature website and received a good response from the readers.
I'm not sure which specific 'Marina World teacher' light novels are the best, but you can start by looking at online light novel platforms. They often have user reviews that can guide you to some great reads. Some might focus on the teacher's adventures in the Marina World, like dealing with different kinds of students and unexpected events.