This is the 69th most frequent Tamil word.
இவர
The Tamil word "இவர" means "this person" (referring to someone nearby, with respect).
Here, 'இவர்' is used as a pronoun to refer to someone with respect.
இவர் ஒரு சிறந்த ஆசிரியர்.
He/She is an excellent teacher.
Here, 'இவரை' is the accusative form of 'இவர்', used to refer to someone with respect in the object position.
என் நண்பர் எனக்கு இவ்வாறு சொன்னார்: 'இவரை நீர் சந்திக்க வேண்டும்'.
My friend said to me: 'You must meet this person.'
Here, 'இவர்க்கு' is the dative case of 'இவர்', used to indicate the person to whom the liking applies.