mam ekam saranam vraja
aham tvam sarva-papebhyo
moksayisyami ma sucah
Abandon all varieties of religion and just surrender unto Me. I shall deliver you from all sinful reaction. Do not fear.
Krishna says that Arjuna should give up all the processes that have been explained to him; he should simply surrender to Krishna. That surrender will save him from all kinds of sinful reactions, Krishna personally promises to protect him.
In Eka Sarana Hari Naam Dharma a man becomes a devotee by initiation which is itself referred to as sarana.