The most common and most likely answer to this crossword clue is the 5 letter word CHILD
I've seen this crossword clue in The Times
C
H
I
L
D
More clues leading to the result CHILD
- Youngster guarded by neurotic Hilda
- Kid scolded once, having crossed line
- Youngster I left with daughter after church
- Trot supporting Labour
- Who’s ticked off about a bit of lying?
- Tot with ice? Not the French style
- Minor country almost heading for disaster
- Youngster relaxed, with the Parisian gone
- Kid about with date after good day by lake
- Censured about money issue
Buddy explains!

The straight part
We know that "Labour" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case labour = child.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CHILD mean?
CHILD noun- A person who has not yet reached adulthood, whether natural (puberty), cultural (initiation), or legal (majority)
- (specifically) A female child, a girl.
- (with possessive) One's direct descendant by birth, regardless of age; a son or daughter.
- The thirteenth Lenormand card.
- A figurative offspring, particularly:
- A child of noble birth.
- The cognomen given to the oldest son prior to his taking his father's title.
- To give birth; to beget or procreate.