As suzerain of Moldavia, John was favorably situated for attacking the Turks.
From the en.wikipedia.org
A suzerain can also refer to a feudallord, to whom vassals must pay tribute.
From the en.wikipedia.org
All other states were considered to be tributaries, under the suzerain rule of China.
From the en.wikipedia.org
The estates, feeling that their rights were infringed, appealed to the suzerain of the country.
From the en.wikipedia.org
A suzerain functioned like a king, and a vassal was like a dependent tenant, village, or state.
From the heraldmagazine.wordpress.com
At his death Guiscard was duke of Apulia and Calabria, prince of Salerno and suzerain of Sicily.
From the en.wikipedia.org
Between 1289 and 1292, Bohemian king Wenceslaus II became suzerain of some Upper Silesian duchies.
From the en.wikipedia.org
In reality, Korea had swapped one suzerain for another.
From the economist.com
These families held their fief in vassalage from a suzerain.
From the en.wikipedia.org
More examples
A state exercising a degree of dominion over a dependent state especially in its foreign affairs
Suzerainty (or RP, or GA) occurs where a region or people is a tributary to a more powerful entity which controls its foreign affairs while allowing the tributary vassal state some limited domestic . ...
A dominant nation or state which has control over the international affairs of a subservient state which has domestic autonomy; A feudal land-owner to whom peasants were forced to pledge allegiance; Pertaining to suzerain
A ruler, esp. a feudal lord or baron (suzerainty) [F.]
In the Middle Ages, the suzerain was a person who owned the right over another (called the vassal) who promised to fight and be loyal in return for being given land to live on.
A feudal overlord. The king as suzerain was the highest feudal lord in the kingdom.
A feudal lord; one member of the suzerain-vassal covenant popular in the Ancient Near East (NIV Study Bible).