Patron saint of Scotland (6)
I believe the answer is:
andrew
'patron saint of scotland' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for andrew that I've seen before include "holy man" , "Patron saint of Scotland, Russia" , "Peter's brother" , "Father of Beatrice and Eugenie" , "- Marvell, seventeenth century poet" .)