All beings are teachers in Buddhism can mara be a teacher without knowing. he tells us what not to do right?

is mara a teacher a master in the art of Buddhism because he tells us,show us the negative path and we know the right path.
Update: mara is hard to translate but lets call him satan of the mind and spirit and actuality.
Update 2: what I mean is we see the wrong in mara and we change our path in so mara teaches
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