Highly-motivated having chauffeur (6)
I believe the answer is:
driven
'highly-motivated' is the definition.
I can't tell whether this defines the answer.
'chauffeur' is the wordplay.
I cannot really see how this works, but
'chauffeur' could be 'drive' (chauffer can mean to drive around) and 'drive' is located in the answer.
A single letter 'n' remains which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).
'having' is the link.
Can you help me to learn more?
(Other definitions for driven that I've seen before include "Propelled like a hard bargain" , "Urges or conveyed, perhaps in car" , "(Psychologically) impelled" , "Determined" , "Strongly motivated to succeed" .)