Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The neighbor in a dream indicates a person's luck. A good neighbor is good luck, and a bad neighbor is bad luck. The neighbor's house indicates a woman.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The neighbor indicates a partner or a relative. Whoever sees himself harming his neighbor is committing a sin.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The neighbor is interpreted as the wife. Whoever sees himself moving next to righteous people will marry a righteous woman.