Answer:
I think that it need isolation because when highlighted, "have them thickly shaded" and "Obscurity is the privilege of young thing," its trying to say that they need to be unknown and protected. so i think isolation
Explanation:
This passage best address the next goal:
The goal of explaining to readers how Indians were taken advantage of.
In this passage, the author tell us about how the Indians were hungry, desperate people in need for a job to do. But when Barath tells: "He did not tell me I was going to Trinidad, you know. He didn't tell me I would never come back, or never see my mother and father again." he talks about that the arkatis lied to him, and took him almost kidnapped.
Friendly seems like it would complete this sentence the best.
Using grammerly has helped me a lot, it also gives different ideas of what kinda words you should use. For ex if you type I hate my life something would pop up like I have a tendency to dislike my life idk something like that