Who by him do believe— Who by him,—by his means,—or on his account,—do trust in God. The expression is remarkable; and the meaning seems to be, that Christians, who before their conversion were ignorant of the true God, learnt his Being and Providence, through grace, from the great fact of Christ's resurrection, and the power with which God the Father invested him on his ascension into heaven.
Related Commentaries of 1 Peter 1:21
1 Peter 1:21
21 Who by him do believe in God, that raised him up from the dead, and gave him glory; that your faith and hope might be in God.