I believe the answer is: volunteer, communications, and fund-raiser
The volunteer would played roles as the front people during the campagin. Their jobs would be revolved around increasing the popularity of the candidates through things such as making posters or handing out pins.
Communications people would handle media related campaign and fund raiser would be the one that help the candidate collecting the money to be used for the campaign.
The superego is the ethical component of the personality and provides the moral standards by which the ego operates (Brittanica, 2021). Frank is taking other people into account before he takes a decision, it would be wrong to disrupt the class. So his superego is at work.