Noun:

নিয়ত লাঁজিত ব্যক্তি,

underdog's Usage Examples:

An underdog is a person or group in a competition, usually in sports and creative works, who is popularly expected to lose.

phrase "David and Goliath" has taken on a more popular meaning, denoting an underdog situation, a contest where a smaller, weaker opponent faces a much bigger.

against a historically weaker team; almost every game has a favorite and an underdog.

An underdog is a participant in a fight, conflict, or game who is not expected to win.

Synonyms:

unsuccessful person; nonstarter; loser; failure;

Antonyms:

passing; conformity; success; victory; achiever;