Wikipedia
Nasiba
Nasiba (from the Arabic word ناصبة ) is a derogatory Islamic term among Shia and Sunni Today the term is used by most Shia to refer to the Salafi sect.
Salafis and Wahhabis regard Shia as heretics. Massacres or persecutions of Shi'a include the Wahhabi sack of Karbala in 1801, Taliban massacre of Hazara Shi'a, and guerrilla attacks in contemporary Pakistan and Iraq).
In Sahih Muslim Zirr reported that 'Ali observed: By Him Who split up the seed and created something living, the Apostle (Mohammed) gave me a promise that no one but a believer would love me, and none but a hypocrite would nurse a grudge against me.