Unfriendly individual (5)
I believe the answer is:
enemy
(Other definitions for enemy that I've seen before include "Hostile opponent" , "Rival" , "other side (like 16)" , "Antagonist" , "Hostile person, foe" .)
I believe the answer is:
enemy
(Other definitions for enemy that I've seen before include "Hostile opponent" , "Rival" , "other side (like 16)" , "Antagonist" , "Hostile person, foe" .)