to take care of someone or something; to attend to someone's needs (e.g., feeding, cleaning, assisting).
母は毎朝子どもの世話をしてから仕事に行く。
My mother takes care of the children every morning before going to work.
留守の間、近所の人に猫の世話を頼んだ。
While I was away, I asked a neighbor to take care of my cat.
祖父の世話をするために、週末は実家に帰ることが多い。
I often return to my parents' home on weekends to take care of my grandfather.
入院中は看護師が患者の世話をする。
While hospitalized, nurses take care of the patients.