Answer: Colby was acting in a maintenance role.
Step-by-step explanation:
A maintenance role is a type of role that people play in groups in order to preserve the relationships in a group. This type of behavior builds up positive relationships in a team. In this case, Colby was acting as a harmonizer, trying to mediate tension through humor. Other methods of a maintenance role include encouraging, expressing group feelings, compromising, standard testing and gatekeeping.