Genesis 40:4

40:4 The captain of the guard appointed Joseph to be their attendant, and he served them.

They spent some time in custody.

Genesis 40:7

40:7 So he asked Pharaoh’s officials, who were with him in custody in his master’s house, “Why do you look so sad today?”

sn He served them. This is the same Hebrew verb, meaning “to serve as a personal attendant,” that was translated “became [his] servant” in 39:4.

tn Heb “they were days in custody.”

tn Heb “why are your faces sad today?”