Ta-Ha - 20:47 "Come to him and say, ´We are the messengers of your Lord. Stop your torture of the Children of Israel and send them away with us. We have come to you with a sign from your Lord. Peace be upon those who follow the right path.
Pharaoh's transgression:
The Stories/28:4 Pharaoh acted despotically in the land. He divided his people into classes, oppressing and exploiting one group of them, keeping their daughters alive and slaughtering their sons. He was a corrupter.
اِنَّ فِرْعَوْنَ عَلَا فِي الْاَرْضِ وَجَعَلَ اَهْلَهَا شِيَعاً يَسْتَضْعِفُ طَٓائِفَةً مِنْهُمْ يُذَبِّـحُ اَبْنَٓاءَهُمْ وَيَسْتَحْـي۪ نِسَٓاءَهُمْۜ اِنَّهُ كَانَ مِنَ الْمُفْسِد۪ينَ

Prophet Jonah/10:83 Only a few of his people believed in Moses because they feared the torture and oppression of Pharaoh and his men. Pharaoh was a tyrant in the earth who exceeded the limits.
فَمَٓا اٰمَنَ لِمُوسٰٓى اِلَّا ذُرِّيَّةٌ مِنْ قَوْمِه۪ عَلٰى خَوْفٍ مِنْ فِرْعَوْنَ وَمَلَا۬ئِهِمْ اَنْ يَفْتِنَهُمْۜ وَاِنَّ فِرْعَوْنَ لَعَالٍ فِي الْاَرْضِۚ وَاِنَّهُ لَمِنَ الْمُسْرِف۪ينَ

The Cow/2:49 We rescued you from the men of Pharaoh who inflicted on you the worst of torture, who left your women and killed your sons. This was a great test from your Lord.
وَاِذْ نَجَّيْنَاكُمْ مِنْ اٰلِ فِرْعَوْنَ يَسُومُونَكُمْ سُٓوءَ الْعَذَابِ يُذَبِّحُونَ اَبْنَٓاءَكُمْ وَيَسْتَحْيُونَ نِسَٓاءَكُمْۜ وَف۪ي ذٰلِكُمْ بَلَٓاءٌ مِنْ رَبِّكُمْ عَظ۪يمٌ

Ta-Ha/20:47 "Come to him and say, ´We are the messengers of your Lord. Stop your torture of the Children of Israel and send them away with us. We have come to you with a sign from your Lord. Peace be upon those who follow the right path.
فَأْتِيَاهُ فَقُولَٓا اِنَّا رَسُولَا رَبِّكَ فَاَرْسِلْ مَعَنَا بَن۪ٓي اِسْرَٓائ۪لَ وَلَا تُعَذِّبْهُمْۜ قَدْ جِئْنَاكَ بِاٰيَةٍ مِنْ رَبِّكَۜ وَالسَّلَامُ عَلٰى مَنِ اتَّـبَعَ الْهُدٰى