traitor to the ruler

Ecuador (a country in South America)

mark, symbol, insignia / a trademark, service mark / (computing) short for マークアップ (mākuappu, “markup”)

Mark (given name) / (computing) Mach kernel

to mark, to put a mark (on something) / to set a record (to achieve or note the most extreme example of some variable, such as the highest score in a sport)

hardship

go through great hardship

(rare, obsolete) a peafowl

(politics, historical) a court nobleman; the nobility / a small lacquered 膳 (zen, “tray table”) used by kugyō nobles

the Yellow Sea