It is narrated from Imam al-Sha'bi (may Allah have mercy on him) that what is meant by the saying of Allah Almighty: "or male attendants who have no desire" [Surah al-Nur: 31] is one who has no need of women.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 13548