Answer: Team Leader
Step-by-step explanation:
Team Leader is the person who is responsible for providing instruction and guidance to the group members or team members. Instruction given by team leader is followed by all team members in the form of direction .This helps the team to work in particular direction to achieve desired goal for the team.
According to the question, Heather is the team leader of the cashier team.He performs his duty by giving instruction and direction to team and work in customer service improvement path.