This is the 484th most frequent Japanese word.
大統領
President.
In this sentence, 大統領 refers to the aspiration to acquire the position of a president.
彼は将来、大統領になりたいと言っています。
He says he wants to become a president in the future.
Here, 大統領 is used to describe a fictional character in a story, highlighting the role or occupation.
この映画は女性の大統領が主役です。
This movie features a female president as the protagonist.
Here, 大統領 is used as a title to denote the leader of a nation, specifically referring to the President.