Stumped by a Crossword Clue? Discover the Caller in Just 60 Characters!

Stumped by a Crossword Clue? Discover the Caller in Just 60 Characters! - REF
One making calls, informally

1. Ump’s nickname
2. Whistle-blower, for short
3. Someone with a whistle, perhaps
4. Official overseer in a game
5. Third party enforcing rules
REF

Explained 2023-08-13 by William Cross

Crossword: New York Times

Date of crossword: 2023-08-13