The question should not be who, but what. The word dehdhaari is a Hindi word that translates as human and the word shabd translates as word, so the phrase dehdhaari shabd is translated as "human word"
sajjan is the vilom shabd.
The shabd roop of ambika in sanskrit is 'ambika' (aakaaranta striling shabd).
The vilom shabd (antonym) of "sheetal" in Hindi is "garam."
It is correct to say that Sajjan is the vilom shabd of the vishram.
The Shabd roop of "sadhu" in Sanskrit is "sadhu." This word remains the same in its Shabd roop form.
The vilom shabd of "prarthana" is "abhilasha".
sanskrit shabd roop of sadhu
The vilom shabd (antonym) of "badshah" is "ghulam."
The vilom shabd (antonym) of "dheere" is "tez".
The shabd roop of the word "pushp" is "pushpan."
The shabd roop of the word "shakha" is "shakhah."
The Shabd Roop of "vidvan" in Sanskrit is "vidvān."