The most common and most likely answer to this crossword clue is the 12 letter word PROLETARIANS
P
R
O
L
E
T
A
R
I
A
N
S
Buddy explains!
The straight part
We know that "Workers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case workers = proletarians.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 PROLETARIANS mean?
PROLETARIANS noun- A member of the proletariat.