CHIEFTAIN
captain, chieftain
(noun) the leader of a group of people; “a captain of industry”
headman, tribal chief, chieftain, chief
(noun) the head of a tribe or clan
Source: WordNet® 3.1
Etymology
Noun
chieftain (plural chieftains)
A leader of a clan or tribe.
(by extension) A leader of a group.
Synonyms
• (leader of a clan or tribe): chief, big gun, big shot, big wheel, bigwig, boss, employer, foreman, head, leader, mandarin, manager, mover and shaker, top banana, top dog, tycoon
Source: Wiktionary
Chief"tain, n. Etym: [OE. cheftayn, chevetayn, OF. chevetain, F.
capitaine, LL. capitanus, fr. L. caput head. Cf. Captain, and see
chief.]
Definition: A captain, leader, or commander; a chief; the head of a troop,
army, or clan.
Syn.
– Chief; commander; leader; head. See Chief.
Source: Webster’s Unabridged Dictionary 1913 Edition