Fetching details from the dictionary...

nursing; looking after
酔った友人を介抱して無事に家まで送り届けた。
I took care of my drunk friend and safely brought them home.
彼女は病気の母親を献身的に介抱し続けていた。
She continued to devotedly care for her sick mother.
倒れた人を介抱しようとしたが知識が足りなかった。
I tried to care for the collapsed person but lacked the knowledge.