Abu Hurairah (RA) reported Allah's Messenger (ﷺ) as saying: None of you should say: My bondman and my slave-girl, for all of you are the bondmen of Allah, and all your women are the slave-girls of Allah; but say: My servant, my girl, and my young man and my young girl.
Hadith Referenceصحيح مسلم / كتاب الألفاظ من الأدب وغيرها / 2249
Abu Hurairah (RA) reported Allah's Messenger (ﷺ) as saying: None of you should say: My bondman, for all of you are the bondmen of Allah, but say: My young man, and the servant should not say: My Lord, but should say: My chief.
Hadith Referenceصحيح مسلم / كتاب الألفاظ من الأدب وغيرها / 2249
This hadith has been reported on the authority of al-A'mash with the same chain of transmitters, and the words are that the servant should not say to his chief: My Lord, and Abu Mu'awiyahh (RA) made an addition: "For it is Allah, the Exalted and Glorious, Who is your Lord."
Hadith Referenceصحيح مسلم / كتاب الألفاظ من الأدب وغيرها / 2249
Abu Hurairah (RA) reported Allah's Messenger (ﷺ) so many ahadith and one of them is this that Allah's Messenger (ﷺ) said: None of you should say: Supply drink to your lord, feed your lord, hell) your lord in performing ablution, and none of you should say: My Lord. He should say: My chief, my patron; and none of you should say: My bondman, my slave-girl, but simply say: My boy, my girl, my servant.
Hadith Referenceصحيح مسلم / كتاب الألفاظ من الأدب وغيرها / 2249