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:T4d7,

Correct answer: craven.

Dastard (noun)
- English meaning: a person who shows a shameful lack of courage in the face of danger.
- Bangla meaning: কাপুরুষ।

Craven (adjective)
- English meaning: lacking the least bit of courage: contemptibly fainthearted.
- Bangla meaning: কাপুরুষ; ভীরূ।

Other options:
ক) Brave
- English meaning: having or showing mental or moral strength to face danger, fear, or difficulty.
- Bangla meaning: সাহসী; নির্ভীক।

গ) Indolent
- English meaning: averse to activity, effort, or movement: habitually lazy.
- Bangla meaning: অলস; নিশ্চেষ্ট; নিরুদ্যম।

ঘ) Biased
- English meaning: inclined to favor one side over another.
- Bangla meaning: পক্ষপাত; বিশেষ দুর্বলতা।

ঙ) Famous
- English meaning: widely known.
- Bangla meaning: বিখ্যাত; সুবিদিত।

Source:
1. Merriam-Webster dictionary.
2. Accessible Dictionary.
3. Cambridge Dictionary.