Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The mender in a dream is a man who reconciles people. Mending a garment indicates repentance and righteousness of affair.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The mender indicates a man who unites families. Whoever sees himself mend a garment is reconciling disputants.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The mender is interpreted as reconciliation. Whoever sees himself mend a garment, his affair will become righteous.