In a dream he is a deprived man; seeing him signifies someone who wears himself out for the comfort of others. Seeing him may also indicate sudden wealth and sudden poverty. The dung collector is also a man who amasses a great deal of money.
Dream meaning · al-Nabulsi
Dung collector (garbage man) زبال
Source: al-Nabulsi, Ta'tir al-Anam fi Ta'bir al-Manam, p. 143. English translation by iDreamBot. Quran verses: Quran.com, Saheeh International.