Cryptic crossword clue
Helpful chap making container for beer, perhaps worried about drip 11

The most common and most likely answer to this crossword clue is the 11 letter word COOPERATIVE

I've seen this crossword clue in Independent
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Buddy explains!

The straight part
We know that "Helpfu" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case helpfu = cooperative.
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 COOPERATIVE mean?

COOPERATIVE noun
  1. A type of company that is owned partially or wholly by its employees, customers or tenants.
COOPERATIVE adjective
  1. Ready to work with another person or in a team; ready to cooperate.
  2. Involving cooperation between individuals or parties.
  3. Relating to a cooperative or cooperatives.

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