There are eight essentials for being a great group leader.
Just like airline passengers, the members of your group have a destination in mind. It's your responsibility to chart out a course to help them get there.
By encouraging and facilitating connections outside of regular group meetings, you demonstrate the priority of relationships.
Shared participation (facilitating the study, hosting the meeting, preparing the snack, leading prayer time, planning socials, guiding the curriculum-choice discussion, etc.) creates broader ownership of the group.