Heaven, thearch, sovereign, monarch, governor, lord: all are (words for) ruler.
en.wikipedia.org A states traditional sovereign decision-making authority has become shared, in recent years, with such actors giving rise to new methods and strategies.
en.wikipedia.org Either figure or a delegate may perform this task, and the constitution allows the viceroy the option of deferring assent to the sovereign.
en.wikipedia.org Each region, for example, has only ten sovereign bonds, which players can buy or sell.
en.wikipedia.org As permanent representations evolved, usually on a treaty basis between two powers, they were frequently staffed by relatives of the sovereign or high-ranking nobles.
en.wikipedia.org