परिज्ञातृparijñātṛa.A knower, observer.
ज्ञानं ज्ञेयं परिज्ञाता त्रिविधा कर्मचोदना ।
कोशःDictionaries
V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.