Leader

un

1. the person who leads or commands a group, organization, or country.
   "the leader of a protest group"
   synonyms: chief, head, principal, boss, commander, captain, figurehead, controller, superior, kingpin, headman, mover and shaker, chairman, chairwoman, chairperson, chair, convener, moderator, director, managing director, MD, manager, superintendent, supervisor, overseer, administrator, employer, master, mistress, foreman, president, premier, governor, ruler, monarch, king, queen, sovereign, emperor, tsar, prince, princess, lord, lord and master, elder, patriarch, guru, mentor, authority, boss man, skipper, gaffer, guv'nor, top dog, number one, big cheese, big noise, bigwig, big shot, honcho, Mister Big, numero uno, sachem, padrone
2. the principal player in a music group.
3. a leading article in a newspaper.
4. a short strip of non-functioning material at each end of a reel of film or recording tape for connection to the spool.
5. a shoot of a plant at the apex of a stem or main branch.
6. a series of dots or dashes across the page to guide the eye, especially in tabulated material.