* Líder: This is the most common and general translation for "leader." It can be used in a variety of contexts, from political leaders to business leaders to group leaders.
* Jefe: This translates to "boss" or "chief" and is more specific to someone in a position of authority, often in a workplace or organization.
* Director: This translates to "director" and is often used to describe someone who leads a company or organization.
* Presidente: This translates to "president" and is used for the leader of a country or organization.
The best translation will depend on the specific context in which you are using the word "leader."