'Cheerfully' in the Bible

Then Jacob went on his way and came to the land of the people of the East [near Haran].

Then Samuel said, “Bring me Agag, the king of the Amalekites.” And Agag came to him cheerfully. And Agag said, “Surely the bitterness of death is past.”

Then Paul, after that the governor had beckoned unto him to speak, answered, Forasmuch as I know that thou hast been of many years a judge unto this nation, I do the more cheerfully answer for myself:

If it is encouraging, devote yourself to encouraging others. If it is sharing, share generously. If it is leading, lead enthusiastically. If it is helping, help cheerfully.

Since His power is so glorious, may you be strengthened with strength of every kind, and be prepared for cheerfully enduring all things with patience and long-suffering;

For you sympathized with the prisoners and cheerfully submitted to the violent seizure of your property, because you know that you have a better and more permanent possession.

Moreover, we have had earthly fathers who disciplined us, and we submitted and respected them [for training us]; shall we not much more willingly submit to the Father of spirits, and live [by learning from His discipline]?

shepherd and guide and protect the flock of God among you, exercising oversight not under compulsion, but voluntarily, according to the will of God; and not [motivated] for shameful gain, but with wholehearted enthusiasm;