を見舞った

visited

→ を
phrase Rare #27,406
visited Used when visiting someone who is ill or in the hospital. を marks the person being visited; 見舞った is the past form of 見舞う.
JA: 昨日、病院で祖父を見舞った。
EN: I visited my grandfather in the hospital yesterday.

彼女は日曜日以外、毎日病院にその老人を見舞った。

She visited the old man in the hospital every day except Sunday.

彼を見舞った。

I went to visit him.

彼は入院中の病気の友人を見舞った。

He visited his sick friend in the hospital.

豪雨にもかかわらず、彼は入院中の友人を見舞った。

Despite the torrential rain, he visited his friend in the hospital.