This question already has an answer here:
I have a coworker that has no problems with offloading his work or even private things on other coworkers. He does not do this with me, since I have rebuffed him once, but he does this with a colleague of mine on my scrum team.
This colleagues performance suffers, of course, if he has to e.g. help the coworker book flights or (the problematic coworker is a graphic designer, the other colleague is a developer) help him prepare to send some designs to the printer. To me it seems as if the colleague in development does this as friendship service. But he does it in his work time, where he should be doing development work...
I am not sure what to do. I could go to management, but this might escalate things more than I want, and reflect bad on me. I tried speaking about the problem with the problematic coworker but he does not see any problem. I tried to approach the development colleague but he does not seem a problem. It does clearly affect his performance though.
The two seem to identify as friends, if that is of any relevance.
The main problem is the additional load on the colleague in my scrum team, which does affect the whole teams performance. We are only three people in the scrum team, so if one can only do 70 percent we are 10 percent short! I do not care as much about the designers performance.
We have a pretty flat hierarchy in our company, we are only around 7 people.