B1 noun /ˈtʃæmpiən/
champion
বিজয়ী / শ্রেষ্ঠ
Meaning
a person who has defeated all rivals in a competition or fight.
Example
She became the champion after winning the final match.
ফাইনাল ম্যাচ জিতে সে চ্যাম্পিয়ন হলো।