He's a saver (6)
I believe the answer is:
goalie
'a saver' is the definition.
The definition and answer can be both people as well as being singular nouns.
Maybe they are linked in a way I don't understand?
'he's' is the wordplay.
I cannot really see how this works, but
'he' could be 'ali' and 'ali' is found within the answer.
The remaining letters 'goe' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for goalie that I've seen before include "Soccer player who protects the target" , "number one" , "Keeper (colloq.)" , "Hart perhaps" , "On-field custodian" .)