Answer: Stagnation
Explanation:
Stagnation simply means lack of activity, growth, or development. In this instance, Ferdinand has responsibility, he is doing more and the regular work he does, but it isn’t harder work that is quite challenging and leads to career development and growth. What he is experiencing at the moment is career stagnation and by leaving his present job, there is a chance he would find more challenging work to reinvigorate his enthusiasm at work.