Samaya[m] Kuravargal [Samayam (religion/faith/belief/path), kuravargal - who spread the faith]: Before we start reading about 'Nayanmars', it becomes important to know about 'Samayakuravargal'. There are 4 in number, namely, 'Gnanasambandar', 'Appar', 'Sundarar', and 'Manickavasagar'. The contribution of these four saivaites are immorable and unmeasurable. They spread the 'Saivisam' and glories of the Lord all over India. They re-established the 'Saivisam' and the truth.