The most common and most likely answer to this crossword clue is the 7 letter word ANTHILL
I've seen this crossword clue in Financial Times
A
N
T
H
I
L
L
More clues leading to the result ANTHILL
- High-rise accommodation for social workers
- Section of coelacanth, illogically, found in insect colony
- A home for soldiers
- An excitement as queen leaves nest
- Workers' high-rise an exhilaration? Not right
- Author Diana toured new home for workers
- Earthy construction workers make Xanthe inwardly sick
- Frenetically busy place engaged in philanthropy not very well
- A new work outside hospital in a mound of earth
- Fully welcoming thin jagged structure containing galleries
Buddy explains!

The straight part
We know that "home for workers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case home for workers = anthill.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 ANTHILL mean?
ANTHILL noun- A cone-shaped formation constructed from sediment and other available materials by ants or termites. The colony nests underneath this cone.