A team leader is responsible for overseeing the work of a team and ensuring that all team members are productive and functioning well. They are also responsible for setting team goals and objectives and meeting them. Additionally, team leaders may also be responsible for training and coaching team members and conducting performance reviews.
A sample answer:
"A team leader's duties and responsibilities are:
Leading a group of people and coordinating their efforts. A leader must be able to motivate and encourage the team and maintain order and discipline. He must also be able to delegate tasks and assignments to team members. Additionally, the leader must be able to provide guidance and support to team members and resolve any conflicts that may arise."