14:I[5014,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"default"] 15:I[38392,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"PracticeCard"] 17:I[70570,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"ExamAppearanceBadge"] 16:T61e,• Someone who is always dissatisfied is called- Malcontent.

• Malcontent (Noun, adjective)
- English Meaning: A person who is not satisfied with the way things are, and who complains a lot and is unreasonable and difficult to deal with.
- Bangla Meaning: অসন্তুষ্ট/অসন্তুষ্ট ব্যক্তি।

• Example Sentence: He complained so much that he got a reputation for being a malcontent.
- Bangla Meaning: সে এত বেশি অভিযোগ করত যে সে একজন অসন্তুষ্ট ব্যক্তি (malcontent) হিসেবে পরিচিতি লাভ করে।

• Other options:
- Malevolent: causing or wanting to cause harm or evil. - (পরের অমঙ্গল কামনাকারী; পরশ্রীকাতর)
- Sentimentalist: a person who is strongly influenced by emotional feelings, rather than by careful thought and judgment based on facts. - (ভাবপ্রবণ ব্যক্তি)
- Heretic: someone who has an opinion that is opposite to or against the official or popular opinion. - (প্রচলিত ধর্মমতের বিরুদ্ধবাসী)

Source:
1. Accessible Dictionary by Bangla Academy.
2. Cambridge Dictionary.
3. Merriam-Webster Dictionary.