Rather than suggesting good or bad. I would like to cite some examples that is followed by me for my team members.
All my team mebers are put for a definite period in different roles of HR department. Very recently one of my staff was asked to represent on of our contactor's case of EPF before RPFC. Though I am accompanied the staff as head but was pleading the case to end result. I told the RPFC I am the boss but he is Guru. The fellow was for a period of one year on that job and was the last day to go for another task.
It is always advisable to work on core subject as per your qualifaication. Why doubts mound on you not understood while getting chance to work on core subject?