then, having heard the sound of the trumpet, whoever he is, if he also does not take care of himself, and the sword arrives and takes him: his blood will be upon his own head
Other versions
King James Version
Then whosoever heareth the sound of the trumpet, and taketh not warning; if the sword come, and take him away, his blood shall be upon his own head. English Standard Version
then if anyone who hears the sound of the trumpet does not take warning, and the sword comes and takes him away, his blood shall be upon his own head.New International Version
then if anyone hears the trumpet but does not take warning and the sword comes and takes his life, his blood will be on his own head.