プテリ・ナジュア /pu te ri na ju a/ would be Japanese term for that name/title.
If you want the 'wa' part in najwa to be more clear you can also write it プテリ・ナジュワ /pu te ri na ju wa/. The dot "・" is often used to clarify between surname and forename but it is optional so you can omit it and write it consecutively.
rephrase that
バレリー
You may write it as: 中心
植物。It means "plants" in Japanese.
ガブリエル (Gaburieru)
家族
レア Rea
職人
ジェームス(zyeemusu)
The only surefire way to remember the Japanese characters is to write them, write them, write them. It's how the Japanese do it. Fill notebooks, use flashcards, and constantly refresh yourself on what you've just learned. Try ten characters a day!
盆栽
To write in Japanese, you will need to install a Japanese IME on your computer.