Verb from skandalon: see Note, Matt. 13.57.
'Service' here is priestly service, latreia.
Elenko: 'convince' supposes effect in the person convinced; 'convict' would not do for righteousness or judgment: I have said 'bring demonstration,' though it suggests perhaps too much the action of the Spirit when come; but his presence and all that he does affords this demonstration: see ch. 3.20.