Answer:
No longer means not now or not anymore.
Explanation:
Luchi is no longer means that it is not anymore or not now. There are two meanings of this sentence, if the word Luchi is a name of an individual so it means that it is not living here anymore or not now. No longer also means that if something that was once true or possible, but now it is not true or possible. So the meaning of this sentence depends on the remaining sentences.