Translation of "فِيهِ" in English

ثَلَاثٌ مَنْ كُنَّ فِيهِ وَجَدَ حَلَاوَةَ الْإِيمَانِ.

Whoever possesses the following three qualities will have the sweetness of faith.

حُبِّبَ إِلَيْهِ الْخَلَاءُ وَكَانَ يَخْلُو بِغَارِ حِرَاءٍ فَيَتَحَنَّثُ فِيهِ.

he love of seclusion was bestowed to him ,He used to go in seclusion in the cave of Hira.

هَلْ يَرْتَدُّ أَحَدٌ مِنْهُمْ سَخْطَةً لِدِينِهِ بَعْدَ أَنْ يَدْخُلَ فِيهِ ؟

Does anybody amongst those who embrace his religion become displeased and renounce the religion afterwards?