Plot is the dramatization of the lessons the character learns. So, if you have to pause the plot for the character to learn a lesson, something has gotten out of sync. "Show, don't tell" may be overused, not-always-applicable advice for novels, but when it comes to life lessons, it's non-negotiable.
The problem is that you want your character to ...
Message via story
Your intuition is probably right.
The best way to convey a message is via Story. The choices of people, plot and setting should/will/may tie into a message.
I would continue working with scenes and action, and stay clear of the magic potions for a little longer.
The best way to convey a message is by not giving the reader anything that even ...
There's no one right answer to this question --many authors have encountered this challenge and come up with many different solutions. Here are a few:
Start in the middle of the story (in media res) and then jump back to the beginning.
Drop the first few chapters, and start closer to the real action.
Add a mini-conflict to the opening scenes to make them ...
It's hard to say actually. If we go by your plan A
So, in the first four chapters or so, we get to know his current situation and the world in which the story takes place through his interactions with the people around him.
You can still make it interesting; I am sure you must have read at least the first chapter of famous fantasy books like Harry Potter ...