My coworkers is irritated that the manager of our department removed the person from their time slot that they've been performing for the past 3 years and my coworker is mad/annoyed about it. My coworkers has really limited their self with a few job restrictions work his honorably honoring respectfully. I do not realize that my coworker does not understand that this is severely limiting what roles and job duties they can take on.  The manager got annoyed many of the job duties were not getting done. I got placed into the position and I don't even want it. However, because I have more skills and availablity I ended up getting placed into that time slot. We often walk into the department a complete mess because none of the closing duties are getting done or  correctly and I do not realize by my coworkers refusing to do the job duties correctly this could place additional strain on them if the manger ever decides to start holding people accountable for not doing all the job duties. 

The issue with this derives from not cross training your coworkers into doing all the job duties to the department. You get people that squat in one role and never learn to do additional duties. This disrupts the roles of duties and often causes things to not get done or correctly. My last location had this issue with sco where the most senior staff would hog it all day long and then when they needed a break or were off no one new how the f* to run it. This changed and I'm glad it did.