Why do Esther and Mordecai appear so secular in their lifestyles?

In contrast to their near contemporaries Ezra, Nehemiah, and Daniel, the central people in Esther seem worldly. The lack of references to God is most obvious in Esther and Mordecai’s conversations. Are these all subtle indications that Esther and Mordecai were people whose faith had little or no effect on their daily lives?

The Book of Esther does not settle this question. There are several important factors, however, that might hold us back from jumping to conclusions about Esther and Mordecai. Primary among these is the fact that the book has a limited scope. Only a few key events are recorded. Few if any details of the inner life of either main character are revealed. Yet the integrity of their actions ought to incline us toward giving them the benefit of the doubt when it comes to faith (4:13–16).

Here are a few other considerations regarding this question: 1) While Mordecai’s caution about announcing his and Esther’s heritage publicly might be questioned, it must also be pointed out that others were also cautious about this same matter (Neh. 2:1–8 makes no mention of God in Nehemiah’s conversation with Artaxerxes); 2) Public events such as Passover had fallen out of practice during the captivity, meaning that there were fewer occasions in which faith was practiced in the open (this doesn’t mean however that the Jews were not a marked people, since they could be identified for the purpose of Haman’s law); 3) When it was appropriate, Esther did openly identify her Jewish heritage (7:3,4). These considerations do not remove the charge that Esther and Mordecai seem less devoted to God than, for example, Daniel. But the fact that God did work out His purposes in their lives comes through clearly in the book.