Supplication of the guest for the host

اللَّهمَّ بَارِكْ لَهُمْ فِيْمَا رَزَقْتَهُمْ، وَاغْفِرْ لَهُمْ وَارْحَمْهُمْ.

‘O Allah, bless for them, that which You have provided them, forgive them and have mercy upon them.’