What will you do if you are exploited by your boss, eg. He/she wants you to handle data for him/she but doesn't even want you to look at the experiments. It is very probably that he/she just needs your technical support for him/her to publish sth. And he/she doesn't care about your PhD progress and publish at all.

What will you do then? How to defend your own right while not offending your boss too much. Anyone here who can give an advice is much appreciated!