child

a young person of either sex; "she writes books for children"; "they're just kids"; "`tiddler' is a British term for youngster"

a human offspring (son or daughter) of any age; "they had three children"; "they were able to send their kids to college"

an immature childish person; "he remained a child in practical matters as long as he lived"; "stop being a baby!"

a member of a clan or tribe; "the children of Israel"