Hobby or interest (7)
I believe the answer is:
pursuit
I believe this clue is a double definition.
'hobby' is the first definition.
(I know that hobby can be written as pursuit)
'interest' is the second definition.
(I know that pursuit is a type of interest)
(Other definitions for pursuit that I've seen before include "recreational activity" , "Search" , "The chase or the occupation" , "An activity not entirely innocent" , "Occupation; cycle race" .)