pocketmine\event\entity\EntityDamageByEntityEvent::getDamager PHP Method

    public function getDamager()
    {
        return $this->damager;
    }

 /**
  * @param EntityDamageByEntityEvent $event
  * @priority HIGH
  * @ignoreCancelled true
  */
 public function onFight(EntityDamageByEntityEvent $event)
 {
     if (!$this->isFactionWorld($event->getEntity()->getLevel()->getName())) {
         return;
     }
     $victim = $event->getEntity();
     $attacker = $event->getDamager();
     if (!$attacker instanceof Player or !$victim instanceof Player) {
         return;
     }
     /** @noinspection PhpUnusedLocalVariableInspection */
     $at = $this->getFList()->getFaction(Chunk::fromObject($victim));
     $attackf = $this->getFList()->getFaction($attacker);
     $victimf = $this->getFList()->getFaction($victim);
     /** @noinspection PhpUnusedLocalVariableInspection */
     $state = $this->getFList()->getFactionsState($attackf, $victimf);
     // TODO
 }