だれ(どなた)


だれ : who

dare

e.g

あのひとだれです

ano hito wa dare desu ka.
Who is that person?

ルイスさんです。

ruisu san desu.
He is Luis.


どなた

donata

どなた is more polite than だれ.

e.g

あのかたどなたです

ano kata wa donata desu ka.
Who is that person?

かた is more polite than ひと. Both have the same meaning. When using どなた, かた  is used together.

サラさんです。

sara san desu.
She is Sara.