Dissident (noun) مخالف، منحرف، اختلاف کرنے والا

a person who opposes official policy, especially that of an authoritarian state.
Example: “a dissident who had been jailed by a military regime”
Ostracize (verb) برادری سے نکال دینا، بات چیت نہ کرنا

exclude from a society or group.
Example: “she was declared a witch and ostracized by the villagers”