親切で

kind and

→ 親切だ
phrase Uncommon #16,785
kind and The て-form of 親切だ, used to connect this description to another clause or adjective. It can also mean “being kind” depending on context.
JA: 彼女は親切で、いつも笑顔です。
EN: She is kind and always smiling.

親切で温厚です

They are kind and gentle.

— パラサイト 半地下の家族 (2019)

彼女はかわいいだけでなく親切でもある

She is not only cute but also kind.

彼は親切でさらによいことにはとても正直だ

He is kind, and what’s more, he’s very honest.

彼はとても親切でいつも私を助けてくれる

He is very kind and always helps me.

彼は親切で優しくなおよいことに正直である

He is kind and gentle, and, even better, he is honest.

一見彼は親切で優しい人ようだった

At first glance, he seemed like a kind and gentle person.

あなたはとても親切で善良正しかった

You were very kind, good, and righteous.

— ウィキッド ふたりの魔女 (2024)

彼は親切でいいやつだ

He's kind and a good guy.

彼は確かに目立ちたがり屋だが親切で寛大である

He certainly likes to be the center of attention, but he's kind and generous.

しかし農夫彼に親切でいろいろなことを教えてくれました

However, the farmer was kind to him and taught him many things.

彼は正直でもあり親切でもある

He is both honest and kind.

彼らは二人とも親切で正直です

They are both kind and honest.