'Strong' in the Bible

Again, how can any one enter the house of a strong man and carry off his goods, unless first of all he masters and secures the strong man: then he will ransack his house.

"Listen to another parable. There was a householder who planted a vineyard, made a fence round it, dug a wine-tank in it, and built a strong lodge; then let the place to vine-dressers, and went abroad.