Mordecai, a government employee, and his cousin Esther belonged to a minority group. The powerful Haman was determined to rid his nation of people of their sort.
Assimilation seemed to be the safest option. But, it was not the option that Mordecai and Esther chose.
They risked and won.
Sometimes that's the way it turns out.
This story can be reassuring to people who feel oppressed by the laws of the country in which they are living. It's not so reassuring for people who are in power.