Samannaphalasutta 35.2

35.2

idha te assa puriso dāso kammakāro pubbuṭṭhāyī pacchānipātī kiṅkārapaṭissāvī manāpacārī piyavādī mukhullokako.

Suppose you had a person who was a bondservant, a worker. They get up before you and go to bed after you, and are obliging, behaving nicely and speaking politely, and gazing up at your face.