The most common and most likely answer to this crossword clue is the 7 letter word PUSHKIN
P
U
S
H
K
I
N
More clues leading to the result PUSHKIN
- Russian writer — sort mostly supporting press
- Encouragement given to People writer
- Writer wants to encourage relations
- Writer’s offensive relations
- Russian poet to practise nepotism?
- Poet will jump the queue, to grab cocktail
- Promote family writer in Russian
- Aggressively encourage family writer
- Writer in Russian press relations
- What a nepotist might do for poet
Buddy explains!

The straight part
We know that "Writer in Russian" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case writer in russian = pushkin.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.