It depends really, as I haven’t read the whole story.
But here’s some answers.
A . Main, I believe that he is the main character because it seems that he has more screen time
B. A minor character, it seems that Sam is the a main character and the gardener is someone who is supporting the him and the story.
Hope it helps.
Fought for girls education
The term "vetted" means "to make a careful examination," or "to investigate someone thoroughly." It is commonly used to ensure someone is trustworthy for a job. When Whitehurst says that the candidates have already been "extremely vetted," it is implied that the candidates were investigated to a great extent.
Answer:
"the supposed faculty of perceiving things or events in the future or beyond normal sensory contact."