The first one it a.first person
an act of speaking one's thoughts aloud when by oneself or regardless of any hearers, especially by a character in a play
I have never read what you are asking, but just by looking at it, I would assume that he is stereotyping Dutch people, because he is calling Black Dog an insult, which is "son of a dutchman".
They can help by teaching the immigrants English so they can better communicate and they can also house them