The most common and most likely answer to this crossword clue is the 6 letter word VERGER
I've seen this crossword clue in Financial Times
V
E
R
G
E
R
More clues leading to the result VERGER
- Elevated priest bringing in quantity of work for his aide
- Reginaldupset church worker
- Chap vicar can turn to?
- Clerical assistant gets right up to the margin
- Voltaire, ridiculing error, gutted church official
- Man, one ordained, set about lay worker
- Church official against endless remorse in retirement
- Limit rule of church official
- Church official is the limit – vicar finally goes under
- Caretaker on the brink of leading role…
Buddy explains!

The straight part
We know that "worker" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case worker = verger.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 VERGER mean?
VERGER noun- One who carries a verge, or emblem of office.
- A lay person who takes care of the interior of a church and acts as an attendant during services, where he or she carries the verge (or virge). In the United States, the office is generally combined with that of sexton.
- An usher; also, in major ecclesiastical landmarks, a tour guide.
- An attendant upon a dignitary, such as a bishop or dean, a justice, etc.