you could use variable, like:
$this->load->model('person/person_model');
$result = $this->person_model->get('tbl_person', array('id_person' => $some_key),TRUE);
$data['name'] = $result->name;
$data['result'] = $result;
//and
$this->load->model('person/other_person_job_model');
$status= $this->other_person_job_model->get('tbl_other_person',array('name'=> $result->name ),TRUE);