Among the individuals listed, Moultrie refers to William Moultrie, who is known for his military role in the American Revolution, particularly for his defense of Fort Sullivan (later Fort Moultrie) in Charleston. The others listed—Marion, Laurens, and Sumter—were also involved in military actions during the American Revolution.
If you are looking for someone with a strictly political role from South Carolina during the American Revolution, you might consider individuals like Christopher Gadsden or Henry Laurens, who played significant political roles but were not specifically mentioned in your list. Since all options provided had military roles, you may want to clarify further if there is an intended focus on political figures or if there are more specific details you are searching for.