When civil disagreements escalate to discord and name-calling, both sides share at least part of the fault. Peace is essential, especially in a shul where we seek Hashem's blessings. While I can't decide from afar and hearing only one side, you can work it out. Reflect on Tanya Chapter 41 for guidance.
https://www.torahrecordings.com/rebbe/igroskodesh/011/009/3527