You do not need to volunteer, you have already been called

“Who were chosen and foreknown by God the Father and consecrated (sanctified, made holy) by the Spirit to be obedient to Jesus Christ (the Messiah) and to be sprinkled with [His] blood: May grace (spiritual blessing) and peace be given you in increasing abundance [that spiritual peace to be realized in and through Christ, freedom from fears, agitating passions, and moral conflicts].” 1 Peter 1:2 AMP

“…elect according to the foreknowledge of God the Father, in sanctification of the Spirit, for obedience and sprinkling of the blood of Jesus Christ: Grace to you and peace be multiplied.” 1 Peter 1:2

elect = eklektos, ek-lek-tos’; from Greek 1586 (eklegomai); select; by implication favorite :- chosen, elect.