If you haven't watched or read the Naruto series, proceed with caution, as I'll discuss key plot points.
Later revelations in the series confirm that Yashamaru’s hatred was a fabrication. During the Fourth Great Ninja War, Gaara learns that his mother, Karura, actually loved him and that her will is what protects him through the sand. It is revealed that Yashamaru’s final words were a lie told under the orders of the Kazekage. But why did Yashamaru agree to say them? The answer lies in the duality of his heart. While he loved Gaara as a nephew, he struggled to forgive the village for turning his sister into a sacrifice. Yet, in his final moments, Yashamaru made a choice. He decided that if he could not save Gaara’s life, he would at least force him to become strong enough to survive on his own. did yashamaru really hate gaara
Yashamaru hated the symbol (the beast, the cause of death) but loved the person (the child). His final words were a lie made of truth. If you haven't watched or read the Naruto