Georgian Dream is the party of Prime Minister Irakli Garibashvili; that is, the current ruling party. Viktor Yanukovych of course was the president of Ukraine at the time of the U.S.-supported coup there in 2014. He was deposed with Western backing, hence the allusion below.
Davyd Arakhamia, also known as David Braun, is the leader of the Zelensky party caucus in the Ukrainian parliament, the Verkhovna Rada, and a Georgian by birth.

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Rustavi2
April 26, 2022

Arakhamia should search for Georgian Yanukovych – [that is, the] criminal Saakashvili – in the Ukrainian government, said Irakli Kobakhidze

David Arakhamia is in radical opposition in Georgia, while in Ukraine he is in power; they should search for “Georgian Yanukovych” in the Ukrainian government. Such a statement was made today by the Chairman of the Georgian Dream in response to Arakhamia.

“David Arakhamia is in radical opposition in Georgia, while in Ukraine he is in power, and he holds a rather high position. At such times, naturally, there is full coordination between Kyiv – in this case Arakhamia – and Tbilisi – in this case Arakhamia as well.

“This term – Georgian Yanukovych – was voiced and used by Arakhamia. I want to tell him to search for Georgian Yanukovych in his own government, who is still the chairman of the Council for Reforms, Saakashvili, expelled from Georgia for crime and imprisoned criminal is the head of their Reform Council. Accordingly, they should search for Georgian Yanukovych in the Ukrainian government,” said Irakli Kobakhidze.