I believe that a person has working efficiency. These people are responsible for their own duties. That person will inevitably succeed in life, and his work in the future, certainly.
I believe that the person performing the work. Who are responsible for their own functions. That person will be successful in life and his future uncertain.
I think that is a person who is effective at work. Who is responsible for their duty. That person will surely succeed to his life and work in the future.