“Whoever harms others, will become a loser”. (Surah Taha, 20:111).
In the above verse, the Almighty Allah warns the evil-doers and declares every evil deed to be unlawful. One who harms another person, makes fun of him, talks ill of him behind his back or accuses him falsely is an evil-doer.
Those who infringe upon the rights of others, hurt them or usurp their belongings, are evil people.
If we do not look after our parents, bother them and disobey their orders, we are guilty of doing evil to them. We commit evil deeds if we tease our brothers and sisters or misbehave towards our class-mates.
We should not forget that Almighty Allah does not like the evil-doers.