scab
Definition
A crust that forms over a wound as it heals; a person who continues to work during a strike, breaking ranks with fellow workers.
বাংলা আঘাত নিরাময়ের সময় গঠিত খোসা; ধর্মঘটের সময় কাজ চালিয়ে যাওয়া ব্যক্তি।
Example
"He picked at the scab on his knee despite being told not to."