﴿ أَمَّا ٱلسَّفِينَةُ فَكَانَتْ لِمَسَٰكِينَ يَعْمَلُونَ فِى ٱلْبَحْرِ فَأَرَدتُّ أَنْ أَعِيبَهَا وَكَانَ وَرَآءَهُم مَّلِكٌۭ يَأْخُذُ كُلَّ سَفِينَةٍ غَصْبًۭا ﴾

“"As for that boat, it belonged to some needy people who toiled upon the sea -and I desired to damage it because (I knew that] behind them was a king who is wont to seize every boat by brute force.”

Please check ayah 18:81 for complete tafsir.