Samiilo Bohdanovych-Zarudny was a Cossack

Cossack

Cossacks are a group of predominantly East Slavic people who originally were members of democratic, semi-military communities in what is today Ukraine and Southern Russia inhabiting sparsely populated areas and islands in the lower Dnieper and Don basins and who played an important role in the...

 diplomat, noble and general judge of the Zaporozhian Host

Zaporozhian Host

The Zaporozhian Cossacks or simply Zaporozhians were Ukrainian Cossacks who lived beyond the rapids of the Dnieper river, the land also known as the Great Meadow in Central Ukraine...

, who defected to Bohdan Khmelnytsky

Bohdan Khmelnytsky

Bohdan Zynoviy Mykhailovych Khmelnytsky was a hetman of the Zaporozhian Cossack Hetmanate of Polish–Lithuanian Commonwealth . He led an uprising against the Commonwealth and its magnates which resulted in the creation of a Cossack state...

's side at Korsun-Shevchenkivskyi

Korsun-Shevchenkivskyi

Korsun-Shevchenkivskyi is a city located in the Cherkasy Oblast in central Ukraine. The city rests on the banks of the Ros' River, and is the administrative center of the Korsun-Shevchenkivskyi Raion ....

 in 1648.

Bohdanovych-Zarudny played key roles in the Treaty of Pereyaslav

Treaty of Pereyaslav

The Treaty of Pereyaslav is known in history more as the Council of Pereiaslav.Council of Pereyalslav was a meeting between the representative of the Russian Tsar, Prince Vasili Baturlin who presented a royal decree, and Bohdan Khmelnytsky as the leader of Cossack Hetmanate. During the council...

 (Pereiaslav Treaty) of 1654 which began when he conducted negotiations in Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

 in 1650, and subsequently headed the Kozak delegations to Moscow

Moscow

Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

 (1652 and again in 1654) and Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 (1653). In 1657 Bohdanovych-Zarudny traveled to Transylvania

Transylvania

Transylvania is a historical region in the central part of Romania. Bounded on the east and south by the Carpathian mountain range, historical Transylvania extended in the west to the Apuseni Mountains; however, the term sometimes encompasses not only Transylvania proper, but also the historical...

 to once again initiate negotiations towards another treaty. This eventually led to the 1658 signing, with Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

, of the Treaty of Hadiach

Treaty of Hadiach

The Treaty of Hadiach was a treaty signed on 16 September 1658 in Hadiach between representatives of the Polish-Lithuanian Commonwealth and Cossacks...

 (Hadiache).

Following the decline of Ivan Vyhovsky

Ivan Vyhovsky

Ivan Vyhovsky was a hetman of the Ukrainian Cossacks during three years of the Russo-Polish War . He was the successor to the famous hetman and rebel leader Bohdan Khmelnytsky...

, Bohdanovych-Zarudny joined Yurii Khmelnytsky

Yurii Khmelnytsky

Yurii Khmelnytsky , younger son of the famous Ukrainian Hetman Bohdan Khmelnytsky and brother of Tymofiy Khmelnytsky, was a Zaporozhian Cossack political and military leader...

 where he participated in drafting the Treaty of Slobodyshche.

In 1664, Bohdanovych-Zarudny fought, alongside the Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

, against Ivan Briukhovetsky

Ivan Briukhovetsky

Ivan Briukhovetsky was a pro-Russian hetman of Left-Bank Ukraine from 1663 to 1668. For background see The Ruin...

 who eventually signed the Moscow Articles of 1665

Moscow Articles of 1665

The Moscow Articles of 1665 was an agreement signed on 11 October 1665 between the Left-Bank Ukrainian Hetman Ivan Briukhovetsky and the Tsardom of Russia.The treaty put Left-Bank Ukraine under the control of the Russian Tsar...

, effectively placing Ukraine

Ukraine

Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

 under the direct rule of the Tsar

Tsar

Tsar is a title used to designate certain European Slavic monarchs or supreme rulers. As a system of government in the Tsardom of Russia and Russian Empire, it is known as Tsarist autocracy, or Tsarism...

, and thereby ending Ukraine's independence and autonomy.