This article contains the analysis of the word “burden” (gr. baros) in the biblical texts of the New Testament. The phrase is used in different contexts and grammatical forms. Four points of the biblical texts were discussed to show the meaning of “burden” in the literal and moral sense. The texts reflect on the burden connected with the human work and his psychophysical condition. The burden has also an eschatological meaning and is present in all works connected to the Christian faith in God, observance of the Law, defense of the faith and the apostolic mission of St. Paul. The summary also reflects on the use of this word by John Paul II in his homily in Gdansk in 1988 during the third pilgrimage to Poland.