‏قال رسول الله ﷺ :

‏”ومن استمع إلى حديثِ قومٍ وهم له كارهون أو يفرُّون منه، صُبَّ في أذنِه الآنكُ يومَ القيامةِ”

‏صحيح البخاري

‏قال الصنعاني رحمه الله:

‏”ويلحق باستماع الحديث.. استخبار صغار أهل الدار عن ما يقول الأهل والجيران من كلام أو ما يعملون من الأعمال”

‏سُبُل السلام568/4

The Prophet صلى الله عليه و سلم said:

And if somebody listens to the talk of some people who do not like him (to listen) or they run away from him, then molten lead will be poured into his ears on the Day of Resurrection

Bukhari.

Allamah san’ani رحمة الله عليه said:

Also attached to the, “listening to the talk” (with regards to this hadith) is using children in your household. To obtain information about what the family and neighbours are saying and doing.