Swinger called after love (5)
I believe the answer is:
orang
'swinger' is the definition.
(orangutans swing around)
'called after love' is the wordplay.
'called' becomes 'rang' (called on the phone).
'after' says to put letters next to each other.
'love' becomes 'o' (love means zero in tennis).
'rang' put after 'o' is 'ORANG'.
(Other definitions for orang that I've seen before include "Forest-dweller with red hair" , "Wild animal briefly appeared" , "Short tree-dweller" , "- - -utan" , "Primate" .)