'Strengthening' in the Bible

So Tilgath-pilneser king of Assyria came against him and harassed him instead of strengthening and supporting him.

The Lord said, “Surely [it will go well for Judah’s obedient remnant for] I will set you free for good purposes;Surely [Jeremiah] I will [intercede for you with the enemy and I will] cause the enemy to plead with you [for help]In a time of disaster and a time of distress.

But woe (judgment is coming) to you who are rich [and place your faith in possessions while remaining spiritually impoverished], for you are [already] receiving your comfort in full [and there is nothing left to be awarded to you].

Now an angel appeared to Him from heaven, strengthening Him.

strengthening and establishing the hearts of the disciples; encouraging them to remain firm in the faith, saying, “It is through many tribulations and hardships that we must enter the kingdom of God.”

And he traveled through Syria and Cilicia, strengthening the churches.

Working together with Him, we strongly urge you not to receive God’s grace in vain [by turning away from sound doctrine and His merciful kindness].

We are glad when we are weak [since God’s power comes freely through us], but you [by comparison] are strong. We also pray for this, that you be made complete [fully restored, growing and maturing in godly character and spirit—pleasing your heavenly Father by the life you live].

Therefore if there is any encouragement and comfort in Christ [as there certainly is in abundance], if there is any consolation of love, if there is any fellowship [that we share] in the Spirit, if [there is] any [great depth of] affection and compassion,