The most common and most likely answer to this crossword clue is the 14 letter word FORTUNE-TELLER
I've seen this crossword clue in Independent
F
O
R
T
U
N
E
-
T
E
L
L
E
R
Buddy explains!
The straight part
We know that "one looking ahead" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one looking ahead = fortune-teller.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 FORTUNE-TELLER mean?
FORTUNE-TELLER noun- A person who professes to predict the future in return for money.
- A cootie catcher.