This is the 107th most frequent Tamil word.
அவன
"He" (referring to a male).
In this sentence, 'அவன' (avan) refers to a third-person masculine singular subject, indicating someone performing an action.
அவன ஒரு புத்தகத்தைப் படித்து முடித்தான்.
He finished reading a book.
Here, 'அவன' (avan) demonstrates use as the subject of a sentence describing a state of being.
அவன அந்த வீட்டின் அருகே இருக்கின்றான்.
He is staying near that house.
In this context, 'அவன' (avan) is used with a postposition 'அவனிடம்' (avanidam) to function as an indirect object of the sentence.