Why Leah Gave Zilpah
Rebbe Elimelech explains that Leah gave Zilpah to Yaakov so that the tribes standing for plain, simple Jews would come through her.
Leah already had four sons, so why did she give her maid Zilpah to Yaakov? The Noam Elimelech answers that the Imahos knew the twelve tribes would hold every kind of Jew. Leah's first four sons stood for four levels of tzaddikim. Opposite them would come four other kinds: two of lowly people, whom Rachel wished to come through Bilhah, and two of simple folk. Leah feared that these last two would come from her, so she gave Zilpah to Yaakov. She called the first son Gad, good fortune, for the Jew who is blessed with wealth. She called the second Asher, for the Jew who is not learned in Torah but behaves uprightly, and is praised by simple people. Then she named Yissachar and Zevulun for the tzaddikim through whom such Jews are sustained and brought into the service of Hashem.
Source: Noam Elimelech, Bereishis, Vayeishev (on Bereishis 30:9–13 and 37:2)
Rebbe Elimelech saw a whole tribe in the Jew who is not learned in Torah but lives honestly. Think of someone like that in your community: the man who never misses minyan, the woman who quietly runs the gemach, the storekeeper who gives true weight. This week tell them, plainly, that what they do matters. And if you are blessed with means, like Gad, connect it to Torah: support a learner or a shiur, so the blessing flows both ways.