Someone who supports the concept of no government, where each individual is governed by their own laws -

• 'Someone who supports the concept of no government, where each individual is governed by their own laws' is called - Anarchist.

• Anarchist (Noun)
English Meaning: A person who believes in or advocates for the absence of government or laws, and believes that people should govern themselves based on their own principles.
Bangla Meaning: রাষ্ট্রবিরোধী; যে ব্যক্তি কোনো শাসন ব্যবস্থার বিপক্ষে এবং ব্যক্তির নিজের আইন দ্বারা পরিচালিত হওয়ার ধারণায় বিশ্বাসী।

Other options:
ক) Agnostic (অজ্ঞেয়বাদী): A person who believes that the existence of God or the ultimate reality is unknown or unknowable.

খ) Iconoclast (প্রতীকের বিরোধী): A person who attacks or criticizes traditional beliefs, customs, or institutions, often challenging established norms.

ঘ) Belligerent (যুদ্ধবাজ): A person who is hostile, aggressive, or engaged in conflict, especially in a warlike manner.

Source:
1. Cambridge Dictionary.
2. Accessible Dictionary by Bangla Academy.