Thank you (fa'afetai); farewell (tofa).
In Chickasaw, you can say "Yakoke" which means thank you. It is often used as a way to express appreciation and farewell.
As there is no direct word for Grandpa in the Samoan language, Tama (Father) is always used, so I would say: Fa'afetai, Tama.
Samoan Pride
If you're saying it in reply to someone who's asked 'how you are', then you say "Manuia fa'afetai".
Michelle is not a Samoan name so would have no translation for it in the Samoan language.
Michelle is not a Samoan name so would have no translation for it in the Samoan language.
Jessica is not a Samoan name so there's no translation for it in the Samoan language.
Some ways to say thank you in Pacific island languages are: Hawaiian: Mahalo Tahitian: Mauruuru Fijian: Vinaka Samoan: Fa'afetai
"Niawen" is how you say "thank you" in Cayuga language.
Fa'afetai mo mea uma
Fa'afetai, maoa'e sivasivaga
poroaki means to "take leave or farewell". A more accurate word is haere rā meaning good bye or farewell.