The word(s) "chief" appears 78 time(s) in 70 verse(s) in Quran in Mohsin Khan translation.

(21) The chiefs of Fir'aun's (Pharaoh) people said: "Will you leave Musa (Moses) and his people to spread mischief in the land, and to abandon you and your gods?" He said: "We will kill their sons, and let live their women, and we have indeed irresistible power over them."

(22) And We appointed for Musa (Moses) thirty nights and added (to the period) ten (more), and he completed the term, appointed by his Lord, of forty nights. And Musa (Moses) said to his brother Harun (Aaron): "Replace me among my people, act in the Right Way (by ordering the people to obey Allah and to worship Him Alone) and follow not the way of the Mufsidun (mischief-makers)."

(23) And those who disbelieve are allies of one another, (and) if you (Muslims of the whole world collectively) do not do so [i.e. become allies, as one united block under one Khalifah (a chief Muslim ruler for the whole Muslim world) to make victorious Allah's religion of Islamic Monotheism], there will be Fitnah (wars, battles, polytheism) and oppression on the earth, and a great mischief and corruption (appearance of polytheism).

(24) But if they violate their oaths after their covenant, and attack your religion with disapproval and criticism, then fight (you) the leaders of disbelief (chiefs of Quraish pagans of Makkah) - for surely their oaths are nothing to them - so that they may stop (evil actions).

(25) Then after them We sent Musa (Moses) and Harun (Aaron) to Fir'aun (Pharaoh) and his chiefs with Our Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.). But they behaved arrogantly and were Mujrimun (disbelievers, sinners, polytheists, criminals) folk.

(26) But none believed in Musa (Moses) except the offspring of his people, because of the fear of Fir'aun (Pharaoh) and his chiefs, lest they should persecute them; and verily, Fir'aun (Pharaoh) was an arrogant tyrant on the earth, he was indeed one of the Musrifun (polytheists, sinners and transgressors, those who give up the truth and follow the evil, and commit all kinds of great sins).

(27) And Musa (Moses) said: "Our Lord! You have indeed bestowed on Fir'aun (Pharaoh) and his chiefs splendour and wealth in the life of this world, our Lord! that they may lead men astray from Your Path. Our Lord! Destroy their wealth, and harden their hearts, so that they will not believe until they see the painful torment."

(28) The chiefs who disbelieved among his people said: "We see you but a man like ourselves, nor do we see any follow you but the meanest among us and they (too) followed you without thinking. And we do not see in you any merit above us, in fact we think you are liars."

(29) And as he was constructing the ship, whenever the chiefs of his people passed by him, they mocked at him. He said: "If you mock at us, so do we mock at you likewise for your mocking.

(30) They said: "O Salih! You have been among us as a figure of good hope (and we wished for you to be our chief) till this [new thing which you have brought that we leave our gods and worship your God (Allah) Alone]! Do you (now) forbid us the worship of what our fathers have worshipped? But we are really in grave doubt as to that to which you invite us (monotheism)."