This is the 2754th most frequent Korean word.
오바마
Obama.
In this context, '오바마' is used as a proper noun referring to the individual Barack Obama.
오바마는 미국의 전 대통령입니다.
Obama is a former president of the United States.
Here '오바마' is used as the subject performing the action of giving a speech.
오바마가 연설을 통해 중요한 메시지를 전달했습니다.
Obama conveyed an important message through his speech.
In this context, '오바마' is used as the topic of a documentary being watched.