Fellow has hesitation with one dose to be attended to (10)
I believe the answer is:
chaperoned
'dose to be attended to' is the definition.
I can't judge whether this defines the answer.
'fellow has hesitation with one' is the wordplay.
'fellow' becomes 'chap' (both can mean a man).
'has hesitation' becomes 'erd' (I am not sure about this - if you are sure you should believe this answer much more).
'with' means one lot of letters goes inside another.
'erd' placed around 'one' is 'eroned'.
'chap'+'eroned'='CHAPERONED'
Can you help me to learn more?
(Another definition for chaperoned that I've seen is " Protected".)