AC pulley doesn't move

#1
It was noise until the AC belt drop broken, so I checked the clutch bearing and it seams to be OK. .. then I realized that the one up in the engine does move, neither the engine is on or off, but it doesn't seams to be the one that moves the compressor, 's one but, it is absolutely stoked. I'll appreciate if some body clarify me this point
 
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