অর্থ : A person who becomes aware (of things or events) through the senses.
সমার্থক : beholder, perceiver, percipient
অর্থ : An expert who observes and comments on something.
সমার্থক : commentator
Observer ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Observer ka matlab kya hota hai?