A person who shares leadership responsibilities with one or more other leaders, often in groups, organizations, or activities.
Formed in English by combining the prefix 'co-' (meaning together/jointly, from Latin) with 'leader' (from Old English 'lǽdan' meaning to guide); became common in 20th-century organizational language.
In nature, wolf packs and even some fish schools have multiple individuals directing group movement—the term 'coleader' reflects how humans have observed that shared authority can sometimes work better than single command!
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