The best texts read οἱ ἰσχυροὶ. Rev., the strong. For the difference in meaning, see on the kindred words δύναμις and ἰσχύς might and power, 2Pe 2:11.
Every free man
Omit every, and read as Rev., every bondman and free man.
In the dens (εἰς τὰ σπήλαια)
Rev., caves. The preposition εἰς into implies running for shelter into.