A person who leads a people or military force in a war; a war chief, a warlord.

A product that is chosen by more consumers than any of its competitors. / A company that manufactures or markets a market leader or that outsells all other similar businesses.

plural of market leader

plural of fleet leader

(aeronautics) The airframe or component with the longest time in service, compared to others of the same design.

one who guides and influences public opinion

(computing) In word processing, a series of repeated text characters filling the area of a tab stop, such as the row of periods/dots leading to the name of a chapter in a table of contents.

plural of tab leader

Alternative letter-case form of Supreme Leader

plural of supreme leader