saying one who is the lord —

 as -the lord- —

ḥaving the greatness of being ṣrīvaikuṇtanātha —

 their lord, indhra —

 lord —

one who is sĕshi (master) —

master —

being unconditional master for all —

being the swāmi (nātha, lord) —

being the lord —

swāmi (lord) —

 being sarvaṣĕshi (lord of all) —

being the master —

being the lord —

being the unconditional master —

having (natural) lordship —

manifesting his greatness of being ṣrīvaikuṇtanātha (lord of ṣrīvaikuṇtam) —

 ŏh lord! —

being the lord —