Hashem saw that Adam was the only living creature living alone. “Lo Tov Heyos Adam Livado, Eseh Lo Eizer Kinegdo”. Literally this means that Hashem saw it is not good for man to be alone, so He decided to make for him a mate to help him. This would imply that the woman was created to help her husband.
Rav Yosef Ben Amram in Ali Be’er learns this pasuk B’Derech Drush quite differently. Hashem was concerned that since Adam was completely alone with no one to challenge him, he would think very highly of himself and forget that he is subject to Hashem above. Moreover without anyone needing his help, he would live purely for himself.
Hashem decided that it was not good for him to be a lone being with no one to keep him in check, and no one for him to be obligated to. Therefore Hashem made for him an Eizer, someone who he can help and be devoted to. Kinegdo, a person with independent views who could keep him in check and make him learn how to compromise and to learn what it means to submit his will to the will of another.
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