'Labor' in the Bible

because we recall in the presence of our God and Father your work of faith and labor of love and endurance of hope in our Lord Jesus Christ.

Now when they are saying, "There is peace and security," then sudden destruction comes on them, like labor pains on a pregnant woman, and they will surely not escape.

Now we ask you, brothers and sisters, to acknowledge those who labor among you and preside over you in the Lord and admonish you,