Resident of Number One Observatory Circle since 2021 (6)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
harris
(Other definitions for harris that I've seen before include "Hebridean isle associated with tweed" , "location off Scottish mainland" , "Hebridean area known for tweed" , "boating man" , "Isle known for tweed" .)