Cause or become is what the suffix -fy means.
It has very thick fur or hide so it cant be stung by bees's, except for its nose. Also its very resistant to Poison from snakes and scorpions. That would be my answer out of these 2
For me, this situation depicts the real life situation of every individual. The giant human maze represents life's struggle and problems which is faced by every person in his day to day activities. This can never be taken away from human existence. The challenges will always be a part of everybody's lives.
