﴿ وَعِبَادُ ٱلرَّحْمَٰنِ ٱلَّذِينَ يَمْشُونَ عَلَى ٱلْأَرْضِ هَوْنًۭا وَإِذَا خَاطَبَهُمُ ٱلْجَٰهِلُونَ قَالُوا۟ سَلَٰمًۭا ﴾

“For, [true] servants of the Most Gracious are [only] they who walk gently on earth, and who, whenever the foolish address them, reply with [words of] peace;”

And the true servants of the Compassionate One ‘ibādu’l-rahmāni is the subject and what comes after it all the way up to ūlā’ika yujzawna ‘they will be rewarded’ of verse 75 below are adjectival qualifiers of this subject with the exception of the parenthetical statements are those who walk upon the earth modestly that is peacefully and humbly and who when the ignorant address them with what they are averse to say words of peace salām in other words words by which they are safe yaslamūna from committing any sin;