In America, many people go around living in fear, especially Latino immigrants. When Donald Trump started his campaign for the presidential election, he started attacking an entire people, just because of their ethnicity.
Children, students, parents, and so on become scared that they had to leave the country or be separated from their families.
As mentioned above, the sender of the text is the well-known and respected author and journalist Hector Tobar.
He has written a lot of books who has been rewarded and nominated for several awards. He is the son of Guatemalan immigrants
which makes him a reliable source for telling the perspective and feelings of the immigrant Latino kids have towards the situation with Trump.
Contemporary with the fact that he has a positive reputation in the media and as an author also gives trust to the receivers of this text and his message.