'Familiar' in the Bible

So Saul died for his transgression which he committed against the LORD, even against the word of the LORD, which he kept not, and also for asking counsel of one that had a familiar spirit, to inquire of it;

Now therefore, in the sight of all Israel, the assembly of the Lord, and in the hearing of our God, observe and seek after all the commandments of the Lord your God so that you may possess the good land and leave it as an inheritance to your sons after you forever.