The most common and most likely answer to this crossword clue is the 7 letter word ACTUARY
I've seen this crossword clue in The Times
A
C
T
U
A
R
Y
More clues leading to the result ACTUARY
- Insurance adviser in truth right to replace two lines
- Number-cruncher helping to deliver assurance
- Statistician in reality having right to replace lines
- Financial man really has two pounds to exchange for rand or rupees
- Policy analyst dealing with odds and ends?
- In fact, two hands should be replaced by another professional
Buddy explains!

The straight part
We know that "Insurance adviser" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case insurance adviser = actuary.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 ACTUARY mean?
ACTUARY noun- Registrar, clerk.
- A professional who calculates financial values associated with uncertain events subject to risk, such as insurance premiums or pension contributions.