Shinigami.
Reaper
"Koori no karite" is pronounced KOH-ree no kah-ree-teh.
Well, soul reaper is pronounced Shinigami. (she-nee-ga-me) Shinigami means de ath god in Japanese. Reaper
Shinigami
Kaminari shūkaku
You may say 長い人生 (nagai jinsei) to mean 'long life' in Japanese.
In Irish it's "buainteoir", (grim reaper is an Bás)
zanpaktou
There is a similar being to the Grim Reaper in traditional Japanese beliefs. That creature is called a Shinigami. Is most modern anime that word is used interchangeably with the term Reaper.
cosechero/a
少女収穫 Shōjo shūkaku
'Jinsei wa tsumaranai desu' is a common formal way to say "life is boring" in Japanese. A common, yet informal way to say this would be 'jinsei nante tsumarani'.