Senses
老爹 father
(dialect) father; dad
老爹 sir
A respectful way to address an elderly man.
老爹 master
(literary) an old term used by servants to address their masters
老爹 I
(literary) way for an elderly father to refer to himself when speaking to his children
老爹 grandfather
(dialect) grandpa
老爹 Your Honor
(literary) an old term used by subordinates or runners to address officials