'Forsake' in the Bible

And all the men of Israel who are in the valley see that they have fled, and that Saul and his sons have died, and they forsake their cities and flee, and the Philistines come and dwell in them.

'And thou, Solomon, my son, know the God of thy father, and serve Him with a perfect heart, and with a willing mind, for all hearts is Jehovah seeking, and every imagination of the thoughts He is understanding; if thou dost seek Him, He is found of thee, and if thou dost forsake Him, He casteth thee off for ever.

And David saith to Solomon his son, 'Be strong, and courageous, and do; do not fear nor be affrighted, for Jehovah God, my God, is with thee; He doth not fail thee, nor forsake thee, unto the completion of all the work of the service of the house of Jehovah.