{That he should offer himself often} (hina pollakis
prospher(8869) heauton). Purpose clause with hina and present
active subjunctive of prospher(935c) (keep on offering himself, like
 5:1,3 ). {With blood not his own} (en haimati allotri(9369)).
So-called instrumental use of en (accompaniment). allotrios
means "belonging to another," "not one's own" ( Lu 16:12 ).