Safety awareness around aircraft propellers is a basic aviation practice that should be ingrained in every pilot from the very beginning of their flight training. Propellers demand respect on the ground whether they are spinning or not. The single most important concept you should understand is this: Always treat the propeller as though the ignition has been left on and the engine is just a hairsbreadth from starting. Here are some helpful tips from the CCA Chief Flight Instructor:
And we know that in all things God works for the good of those who love him, who have been called according to his purpose – Romans 8:28