Hetman is a term that refers to a military leader in Eastern European countries like Ukraine and Poland. However, there are several synonyms for the word hetman that could be used to describe a military leader. Some of the synonyms are commander, general, marshal, chieftain, and leader. The term commander can be used to depict someone who has great authority and gives orders to a large group of soldiers. General is another term used to describe a high-ranking military leader who has authority over several armies. Marshal is used to describe a military leader with high authority over a particular region, and chieftain is used to describe a tribal leader who has military power. Finally, leader is a general term used to describe someone who is in charge of a group of individuals.