'Labor' in the Bible

We recall, in the presence of our God and Father, your work of faith, labor of love, and endurance of hope in our Lord Jesus Christ,

For you remember our labor and hardship, brothers. Working night and day so that we would not burden any of you, we preached God’s gospel to you.

For this reason, when I could no longer stand it, I also sent him to find out about your faith, fearing that the tempter had tempted you and that our labor might be for nothing.

When they say, “Peace and security,” then sudden destruction comes on them, like labor pains come on a pregnant woman, and they will not escape.

Now we ask you, brothers, to give recognition to those who labor among you and lead you in the Lord and admonish you,