(politics) a person in charge of a political party.

(Scouting, US) A youth Scout who leads a patrol, having been elected by fellow Scouts in their troop.

a person, group, or country, deemed superior in their field. / the leader of a country, such as the president, prime minister, etc.

An individual in charge of a group of people.

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.

(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

Alternative form of bearleader

Alternative form of leaderboard