How to get a gym staff guy?

I am a regular at a local gym, and I see the same staff over and over... They're professional and do their job and basically ignore me aside from glances which is their job... I am pretty but rather quiet...so tell me, how can I befriend maybe even date this one cute particular gym employee who I am interested in? Would they even be open to my flirting/advances considering this is their work environment?
How to get a gym staff guy?
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