Complex sentence: Sikhs are expected to embody the qualities of a "Sant-Sipāhī"--a saint-soldier, and have control over one's internal vices and be able to be constantly immersed in virtues clarified in the Guru Granth Sahib.
Split into simpler sentences: Sikhs are expected to embody the qualities of a "Sant-Sipāhī"--a saint-soldier. One must have control over one's internal vices and be able to be constantly immersed in virtues clarified in the Guru Granth Sahib.