The Levite was content; being constrained by necessity, and infected with the common contagion of the superstition and idolatry of the times. Was unto him as one of his sons, i.e. treated with the same degree of kindness and affection.
Related Commentaries of Judges 17:11
Judges 17:11
11 And the Levite was content to dwell with the man; and the young man was unto him as one of his sons.