In Bavarian German, you can say "Servus" or "Pfiat di" to say goodbye. Both are commonly used greetings in Bavaria.
Mister Stevens
mister in xhosa
Mister
Hello Mister in Spanish is, " Hola Senor."
signore
señor
Gospodin
You would say "pan" in Polish to refer to Mister.
Ssi
Herr
Senor.