The Rebbe's guidance on how to treat other people — speech, kindness, honesty and getting along. For guidance on specific questions, see the focused pages:
Getting along with others — Between people – Friends, neighbors and getting along with others: good friends, seeking advice, difficult neighbors and restoring friendships.
Speech — Between people – Guarding one's speech and judging others favorably: lashon hara, embarrassing others, and seeing others in a good light.
Kindness — Between people – Hospitality and acts of kindness.
Honesty — Between people – Truthfulness, honesty and constructive criticism.
Related pages elsewhere — Leadership – Jewish unity and Ahavas Yisrael; Leadership – Avoiding and resolving disputes; Teshuvah – Asking and granting forgiveness between people; Family life – Relatives, in-laws and family harmony; Personal growth – Refining character: humility, speech and jealousy; Tzedakah – Free loans (gemach) and acts of kindness.