There are quite a few ways, but one is 生存者, "seizansha". The characters are "life", "feel" and "person".
We write it as 鯉[koi] in kanji in Japanese.
There is no Kanji for "madsam."
you can't
Earthquake in kanji is written as 地震.
龍 or 竜
'Ojiichan' written with kanji isお祖父ちゃん.
you don't its written in katagana
櫻.
酒 is the Kanji for sake.
尊厳 Songen
you don't its written in katagana
you don't its written in kanji 日本語 When you write sentences in Japanese you will use a mixture of Kanji, Hiragana and Katakana.