If you are only trying to translate pronunciation into Samoan sounds "Peili" is as close as you will get. The "p" sound in Samoan is softer than in English, and somewhere between "b" and "p".
Andrew is not a Samoan name therefore has no Samoan translation.
Leonard is not a Samoan name so does not have a Samoan translation.
Steph is not a Samoan name therefore does not have a Samoan translation.
Victor is not a Samoan name so therefore does not have a Samoan translation to it.
Michelle is not a Samoan name so would have no translation for it in the Samoan language.
Adriane is not a Samoan name so does not have a translation in the Samoan language.
If the name is not Samoan & not in the Bible, its likely that the name will not have a Samoan translation. So if someone is named Varner, his/her family & friends would simply call them Varner.
Yvonne is not a Samoan name so cannot be translated.
Michelle is not a Samoan name so would have no translation for it in the Samoan language.
Dave is not a Samoan name so does not have a translation in the Samoan language. However, David is in the Bible, therefore has a translation as, of course, Samoa is a very religious nation. The Samoan translation of David is TAVITA.
Amosa is the Samoan translation of the Biblical name Amos.
Jillian is not a Samoan name therefore does not have a Samoan translation. If a Samoan girl was named Jillian her family/friends would simply call her Jillian (or make up some sort of nickname for her).