The word(s) "deciders" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) Say: Surely I have manifest proof from my Lord and you call it a lie; I have not with me that which you would hasten; the judgment is only Allah's; He relates the truth and He is the best of deciders.

(سورة الأنعام, Al-An'aam, Chapter #6, Verse #57)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) Indeed we shall have forged a lie against Allah If we go back to your religion after Allah has delivered us from It, and it befits us not that we should go back to it, except if Allah our Lord please: Our Lord comprehends all things in His knowledge; in Allah do we trust: Our Lord! decide between us and our people with truth; and Thou art the best of deciders.

(سورة الأعراف, Al-A'raaf, Chapter #7, Verse #89)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)