'Lightly' in the Bible

"Therefore Yahweh, the God of Israel, says, 'I said indeed that your house, and the house of your father, should walk before me forever.' But now Yahweh says, 'Be it far from me; for those who honor me I will honor, and those who despise me shall be lightly esteemed.

Saul's servants spoke those words in the ears of David. David said, "Does it seems to you a light thing to be the king's son-in-law, since I am a poor man, and lightly esteemed?"