From Sahih Bukhari (Hadith 2270):
Narrated Abu Huraira:The Prophet (ﷺ) said, "Allah said, 'I will be an opponent to three types of people on the Day of Resurrection: -1. One who makes a covenant in My Name, but proves treacherous; -2. One who sells a free person and eats his price; and -3. One who employs a laborer and takes full work from him but does not pay him for his lab our
Reference: Bukhari 2270