The word(s) "advocate" appears 3 time(s) in 3 verse(s) in Quran in Saheeh International translation.

(1) Indeed, We have revealed to you, [O Muhammad], the Book in truth so you may judge between the people by that which Allah has shown you. And do not be for the deceitful an advocate.

(سورة النساء, An-Nisaa, Chapter #4, Verse #105)
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(2) Then do you feel secure that [instead] He will not cause a part of the land to swallow you or send against you a storm of stones? Then you would not find for yourselves an advocate.

(سورة الإسراء, Al-Israa, Chapter #17, Verse #68)
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(3) And if We willed, We could surely do away with that which We revealed to you. Then you would not find for yourself concerning it an advocate against Us.

(سورة الإسراء, Al-Israa, Chapter #17, Verse #86)
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