I was not expecting this when I googled about bullying among animals. But I think people here may find the insights in this link useful.
Also I’m not defending one to become a bully but to consider that actively eliminating stressful people from your life will improve your natural testosterone production and growth hormone.
” But soon after the males were removed, this particular female grew physically larger and started bullying the others. She became more muscular and even developed a false scrotum – she looked like a big male and acted like one. She was probably making more of the “male” hormone, testosterone, and more growth hormones. “