The most common and most likely answer to this crossword clue is the 8 letter word EUROCRAT
I've seen this crossword clue in The Times
E
U
R
O
C
R
A
T
More clues leading to the result EUROCRAT
- Continental bigwig throwing carer out
- Salt firm regret backing foe of Farage
- Official regret about old soldiers appearing in court
- Pitch business – regret showing up Brussels employee?
- French way to back bad actor, a union player?
- Commission official perhaps put up name of street in French with Croat in translation
- Brussels employee has firm regret over tax cut
- Pitch business with regret after turning up to see Brussels official
- Travelling troupe with car leaving piano player in Brussels
- Uranium in reactor upset union official
Buddy explains!

The straight part
We know that "foe of Farage" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case foe of farage = eurocrat.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 EUROCRAT mean?
EUROCRAT noun- An employee or minister of the European Union, typically working in Brussels or Strasbourg.