It has been over 60 years since I took religious courses in school. If my memory still serves me correctly, I'd say the staff being held in the left hand is called a crozier; and this is only held -- not by popes--but by bishops of the Roman Catholic, Anglican and European Lutheran faiths.
Doing some research, I found this: "Bishops of the Eastern churches carry the baktēria (dikanikion), a pastoral staff with either a tau cross or two serpents facing each other on top" (like the OP's). And since the Russian and Ukrainian languages are so closely related, I guess the image as showing a bishop from either Russia or the Ukraine.
Don.......