To be a good team leader, you have to learn. You need to constantly expand his knowledge of working with SFI to know to show them, to help and explain if they have any questions or if something does not know how to do it. When you see that they are unsatisfied with their success in the work encouraged him, laugh with him, cheer up him,gladden him. Sometimes it is necessary and laugh at with them and not just take a serious talk about work. I hope that my short answer helpful. All the best!