Question:
How does Naqshbandi view on Sunni Muslims who are not being part of the tariqa?
Answer:
All believers are but brethren. Hence, [whenever they are at odds,] make peace between your two brethren, and remain conscious of God, so that you might be graced with His mercy. (Surat al-Hujurat, 49:10)
Taher Siddiqui