彼は殿様の忠実な家来だった。
He was a loyal retainer to his lord.
桃太郎は犬と猿とキジを家来にして鬼ヶ島へ向かった。
Momotaro took a dog, a monkey, and a pheasant as his followers and set off for Demon Island.
あいつは社長の家来みたいに何でも言うことを聞く。
He does whatever the boss says, like some kind of servant.