Leave and stay are interesting words.
Although they have the opposite meanings, some Korean speakers seem to be confused.
- I’ll leave my stuff here. (내 물건을 여기에 남겨 두겠다.)
- I’ll leave here. (난 여기를 떠나겠다.)
- I’ll stay here. (난 여기에 남겠다.)
The confusion may come from the first two cases.