Diffphobic
Irrational fear of, or discrimination against those with different or opposing beliefs/opinions.
"Then he accused me of being homophobic and transphobic, so immediately I felt persecuted by this person, and reminded him that he is being very diffphobic towards me.
Diffphobe
Irrational fear of, or discrimination against those with different or opposing beliefs/opinions than anothers.
"She then falsely accused me of being a homophobe, so I told her that she was being a diffphobe, because she was being hateful and discriminative towards me for simply having different views or beliefs than hers!"