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

(11) The recompense of those who wage war against Allah and His Messenger and do mischief in the land is only that they shall be killed or crucified or their hands and their feet be cut off from opposite sides, or be exiled from the land. That is their disgrace in this world, and a great torment is theirs in the Hereafter.

(12) The Jews say: "Allah's Hand is tied up (i.e. He does not give and spend of His Bounty)." Be their hands tied up and be they accursed for what they uttered. Nay, both His Hands are widely outstretched. He spends (of His Bounty) as He wills. Verily, the Revelation that has come to you from your Lord (Allah) increases in most of them (their) obstinate rebellion and disbelief. We have put enmity and hatred amongst them till the Day of Resurrection. Every time they kindled the fire of war, Allah extinguished it; and they (ever) strive to make mischief on the earth. And Allah does not like the Mufsidun (mischief-makers).

(13) And do not do mischief on the earth, after it has been set in order, and invoke Him with fear and hope. Surely, Allah's Mercy is (ever) near unto the good-doers.

(14) And remember when He made you successors after 'Ad (people) and gave you habitations in the land, you build for yourselves palaces in plains, and carve out homes in the mountains. So remember the graces (bestowed upon you) from Allah, and do not go about making mischief on the earth."

(15) And to (the people of) Madyan (Midian), (We sent) their brother Shu'aib. He said: "O my people! Worship Allah! You have no other Ilah (God) but Him. [La ilaha illallah (none has the right to be worshipped but Allah)]." Verily, a clear proof (sign) from your Lord has come unto you; so give full measure and full weight and wrong not men in their things, and do not do mischief on the earth after it has been set in order, that will be better for you, if you are believers.

(16) "And sit not on every road, threatening, and hindering from the Path of Allah those who believe in Him, and seeking to make it crooked. And remember when you were but few, and He multiplied you. And see what was the end of the Mufsidun (mischief-makers, corrupters, liars).

(17) The chiefs of those who were arrogant among his people said: "We shall certainly drive you out, O Shu'aib, and those who have believed with you from our town, or else you (all) shall return to our religion." He said: "Even though we hate it!?"

(18) The chiefs of those who disbelieved among his people said (to their people): "If you follow Shu'aib, be sure then you will be the losers!"

(19) Then after them We sent Musa (Moses) with Our Signs to Fir'aun (Pharaoh) and his chiefs, but they wrongfully rejected them. So see how was the end of the Mufsidun (mischief-makers, corrupters).

(20) The chiefs of the people of Fir'aun (Pharaoh) said: "This is indeed a well-versed sorcerer;