Kanye West believes his ex-trainer, Harley Pasternak, is stalking him around Dubai -- they did run into each other there -- but TMZ has learned it's Harley who felt threatened enough to call for backup.
Harley and Ye were both at Atlantis the Royal Dubai resort on Monday evening, and according to Ye's camp ... the rapper felt uncomfortable and believed Harley was tailing him around Dubai. So much so, he whipped out his phone and started recording Harley as he spoke to hotel staff.
However, sources with direct knowledge at the resort tell TMZ .