Mate, buddy (3)
I believe the answer is:
pal
I believe this clue is a double definition.
'mate' is the first definition.
(both can mean a friend)
'buddy' is the second definition.
(both can mean a friend)
(Other definitions for pal that I've seen before include "Friend (colloq.)" , "Mate, informal friend" , "Buddy, chum" , "Mate, buddy" , "China" .)