'Burden' in the Bible

The king replied to Absalom, “No, my son, we should not all go, or we would be a burden to you.” Although Absalom urged him, he wasn’t willing to go, though he did bless him.

When he cut the hair of his head (for at the end of each year he cut it, because its weight was heavy on him) he weighed the hair of his head at 200 shekels by the king’s weight.

Unto whom David said, If thou passest on with me, then thou shalt be a burden unto me:

Just as the king was about to ford the Jordan River, Gera's son Shimei fell down in front of the king and addressed him, "May your majesty not hold me guilty. Don't remember how your servant did wrong the day your majesty the king left Jerusalem. May the king not let it burden his heart,

I am this day fourscore years old: and can I discern between good and evil? can thy servant taste what I eat or what I drink? can I hear any more the voice of singing men and singing women? wherefore then should thy servant be yet a burden unto my lord the king?