code: public function getIndividual()
      {
          if (!isset($this->_individual) && !empty($this->object_individual_id)) {
              $this->_individual = false;
              $individualType = Yii::$app->collectors['types']->getOne('Individual');
              if (!empty($individualType->object)) {
                  $individualClass = $individualType->object->primaryModel;
                  $this->_individual = $individualClass::get($this->object_individual_id);
              }
          }
  
          return $this->_individual;
      }
docs: Get individual.
  
  @return \yii\db\ActiveRelation