The most common and most likely answer to this crossword clue is the 8 letter word ATTACHES
I've seen this crossword clue in The Guardian
A
T
T
A
C
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More clues leading to the result ATTACHES
Buddy explains!
The straight part
We know that "Junior members of ambassador’s staff" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case junior members of ambassador’s staff = attaches.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 ATTACHES mean?
ATTACHES verb- To fasten, to join to (literally and figuratively).
- To adhere; to be attached.
- To come into legal operation in connection with anything; to vest.
- To win the heart of; to connect by ties of love or self-interest; to attract; to fasten or bind by moral influence; with to.
- To connect, in a figurative sense; to ascribe or attribute; to affix; with to.
- To take, seize, or lay hold of.
- To arrest, seize.