The most common and most likely answer to this crossword clue is the 4 letter word KIRK
I've seen this crossword clue in Financial Times
K
I
R
K
More clues leading to the result KIRK
- Captain in church?
- Church Captain?
- Douglas King having trouble
- Man of Enterprise in Scottish place of worship
- Church leader associated with far-reaching Enterprise
- King upset churchgoers
- Monk’s last to make cross in church
- Bank ignoring prohibition to irritate church
- King appears to vex Church
- Three kings accept single Church of Scotland
Buddy explains!

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 KIRK mean?
KIRK noun- A church.