those who are known as kings —

having nature which is difficult —

being the antharāthmā (in-dwelling soul which is invisible) —

joyful —

being the origin —

one assumed the form of a vāmana —

when he took the divine incarnation as dwarfish vāmana —

being the cause of all of them which occur according to his will —

 one who reveals himself fully —

ās said in nārāyaṇa sūktham -sa brahmā sa ṣivassĕndhra:- (he [bhagavān] is brahmā, he is ṣiva, he is indhra), bhagavān who is the ṣarīrī (āthmā) of brahmā, rudhra and indhra, [yet] they are seen as himself —

having the three forms of brahmā, vishṇu and ṣiva —

 ḥaving the forms of brahmā, vishṇu and rudhra —

 in four categories —

 that which ordains the conduct of people —

 one who mercifully incarnated as narasimha —

being the refuge (unlike biological mother and father who may abandon their child in specific situations, emperumān who will never abandon) —

being radiant, due to its being filled with great goodness —

servitors who are the prakāram (mode/form) of emperumān —

present based on superficial appearance —

born in cowherd clan —