A Sikh (English pronunciation: /ˈsiːk/ or /ˈsɪk/; Punjabi: ਸਿੱਖ, sikkh [ˈsɪkkʰ]) is a follower of Sikhism. It primarily originated in the 15th century in the Punjab region of South Asia. The term "Sikh" has its origin in Sanskrit term शिष्य (śiṣya), meaning "disciple, student" or शिक्ष (śikṣa), meaning "instruction". A Sikh is a disciple of the Guru.
According to Article I of the "Rehat Maryada" (the Sikh code of conduct and conventions), a Sikh is defined as "any human being who faithfully believes in One Immortal Being; ten Gurus, from Guru Nanak Dev to Sri Guru Gobind Singh; Sri Guru Granth Sahib; the teachings of the ten Gurus and the baptism bequeathed by the tenth Guru; and who does not owe allegiance to any other religion". Sikhs believe in the equality of humankind, the concept of universal brotherhood of man and One Supreme God (Ik Onkar).