unfriendly

epäystävällinen

töykeä, ynseä

hankala Not friendly; hostile; mean.
unfavourable Unfavourable.
An enemy.
2005, Ted Dekker, Thunder of Heaven (page 217)

Sweep the valley compound and eliminate any unfriendlies you encounter.

You see, the mission of almost every teenage girl on the loose is to first identify the targets, just like a war. These include the primary objective (the boy), the enemy (other girls), the friendlies (sympathetic girl friends and the boy's family), and unfriendlies (other boys).