Chieftain

A chieftain is the leader or head of a group, especially of a clan or tribe. See e.g. Germanic chieftain.

Etymology: Middle English cheftain, from Old French chevetain, from Late Latin capitaneus, from Latin caput, head.

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The Chieftain is also a British tank, developed in the early 1970s by the UK and Israel, and one of the most advanced tanks of its time.