It is narrated from a Companion (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: "Your slaves are your brothers. Treat them with kindness. In tasks that overpower you, seek their help, and in tasks that overpower them, you should help them."
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 23147
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف لجهالة سلام بن عمرو