Definition: Given a real-life anecdote of a complex ethical situation, generate a suitable title that describes the main event/root cause of the situation. Imagine that the given text is a social media post, and you have to write the title of the post, so the users can decide to read the main text or not.
Input: Hello, 

Here's the situation: I work at a educational institute. Colleague (let's call this colleague OB) usually teaches "Course A" in field A, but has picked up teaching "Course B" in the same field. Issue is, OB doesn't know anything about the topic in Course B. OB has my students teach her the material for Course B, before she parrots it back to the students in Course B. This happened regularly, to the point it was blatant and I would walk in to one of our higher level students teaching OB parts of a certain model before OB taught it in the next day. OB also actively hunted down other higher level students to teach other material and wasn't shy to tell me about it. This already should be setting off warning alarms in my opinion, but I'm not a course coordinator for that course so I have no say. I also don't want to randomly "out" OB as that will just cause office drama. 

Now, the course coordinator has let OB (with some begging/convincing by OB I'm sure) lead a working group in refreshing some materials that's taught in Course B. I'm really uncomfortable with this as I think the course coordinator has no idea all this student teaching to OB has happened since he is not around as often. Also, the working group impacts me as my job is indirectly impacted by the course updating. I have another colleague (C) who knows the material much better than OB but cannot teach it because C hasn't finished her higher level degree yet. I much rather C be at least in the group so she can kind of act as a "check" on OB to make sure that OB isn't doing what OB usually does - faking it. 

Am I the asshole if I go to the course coordinator to request C joins the working group (in lieu of me, cause she can be the contact person)? Should I tell the course coordinator the *real* reason for my concern over OB leading the charge? My original plan was just to say C is a good liaison since C knows the field better than me. 

Thanks!

wanting to replace a colleague in a working group