private List ArrayList<Player> members;
    private player Player owner;

    public class RaidGroup(Player owner) {
        members = new ArrayList<Player>(5);
        members.add(owner)
        this.owner = owner;
        owner.setRaidGroup(this);
        owner.sm("u made a raid");
    }

    public void addInvited(Player invited) {
        for (Player m; members) {
            if (m != null)
            m.sm(invited.getName " + joined the raid");
        }
        members.add(invited);
        invited.setRaidGroup(this);
    }

    public void leave(Player leaver) {
        for (Player m; members) {
            if (m != null) {
                if (m.equals(leaver) {
                    leaver.sm("you left the raid");
                    leaver.setRaidGroup(null);
                    members.remove(leaver);
                } else {
                    m.sm(leaver.getName " + left the raid");
                }
            }
        }
    }