Answer:
In Stranger Things 4, what I think is going to happen? Well, I think Season 4 is likely to concentrate on Eleven and how, or whether, she ever gets back her abilities. El loses her abilities at the end of season 3, after the fight at the mall, and she can no longer shift objects with her mind, or find people in the void.
I think the answer would be insecurity as he feels inferior to his peers in a specific area. He feels ashamed/embarrassed that he may not be as smart.