The most common and most likely answer to this crossword clue is the 7 letter word EQUITES
E
Q
U
I
T
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S
Buddy explains!
The straight part
We know that "class fluent in Latin?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case class fluent in latin? = equites.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 EQUITES mean?
EQUITES noun- A member of the equestrian order (Latin: ordo equester), the lower of the two aristocratic classes of Ancient Rome, ranking below the patricians.