RIG VEDA PRAYERS v-85-7 , v-85-8
Varuna is worshipped for removing the sin committed by a person against his friend, brother, comrade, neighbor or stranger.
aryamyam varuna mitryam vā sakhāyam vā sadam id bhrātaram vā !
veśam vā nityam varunāranam vā yat sīm āghaś cakramā śiśrathas tat !!
Varuna is prayed for cleansing the sin due to cheating or misdeed or any Wrong committed.
kitavāso yad riripur na dīvi yad vā ghā satyam uta yan na vidma !
sarvā tā vi shya śithireva devādhā te syāma varuna priyāsah !!