The leader of the group, which refers to a person, to a purpose or destination. Even just guiding the group to the destination, it is considered as the leader of this group, including leader issued a freaky.
The leader represents the party which led the group to the purpose or goal that put them. Even just guiding you to your destination, it is a group leader, including the leader of the group led astray by.
The leader means a person which lead the group to a purpose or goal placed. Even just guided the group is lead to destinations including leaders who led the freak out.