Proved neighbour to him that fell (plēsion gegonenai tou empesontos). Second perfect infinitive of ginomai and second aorist active participle of empiptō. Objective genitive, became neighbour to the one, etc. Jesus has changed the lawyer’s standpoint and has put it up to him to decide which of “these three” (toutōn tōn triōn, priest, Levite, Samaritan) acted like a neighbour to the wounded man.