Is Supervising an easy job to glorify the will of a worker to support his boss to achieve the goal?

its not  easy but its the persons attitude that makes it difficult or easy. handling and managing  difficult people and situations requires courage, guts, resilience and above all solid confidence 

it is not an easy job,but i made it easy

Yes,because of Do your job, and do it well,Really get to know your boss,Assist and support your boss’s professional goals etc.