Is there a way to get Friedcat to freeze the shares/dividends associated with tkones nominated address until he returns to the forum and resolves this?
This is what should happen.
I actually disagree with this, it isn't Friedcat's responsibility to deal with such situations. The only time Friedcat would be responsible in my opinion is if someone is hacked and shares are transferred without their permission.
Sure it's not his responsibility, but it would be the right thing to do.
The shares no longer belong to that address. They must have been transferred to someone else. It would be interesting to know to whom.