protected virtual void OnGuestPromoted(Character groupMember)
{
m_clients.Add(groupMember.Client);
GroupLevelSum += groupMember.Level;
GroupLevelAverage = GroupLevelSum / MembersCount;
PartyHandler.SendPartyJoinMessage(groupMember.Client, this);
PartyHandler.SendPartyNewMemberMessage(Clients, this, groupMember);
BindEvents(groupMember);
GuestPromoted?.Invoke(this, groupMember);
}