The most common and most likely answer to this crossword clue is the 10 letter word BEEKEEPERS
I've seen this crossword clue in The Guardian
B
E
E
K
E
E
P
E
R
S
Buddy explains!
The straight part
We know that "We look after the workers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case we look after the workers = beekeepers.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 BEEKEEPERS mean?
BEEKEEPERS noun- A person who maintains hives and keeps bees, especially for the production of honey.